diff --git a/mindspore/ccsrc/ir/anf.cc b/mindspore/ccsrc/ir/anf.cc
index 4c1d2bf50d..45cce7b473 100644
--- a/mindspore/ccsrc/ir/anf.cc
+++ b/mindspore/ccsrc/ir/anf.cc
@@ -24,7 +24,7 @@
 #include <unordered_map>
 
 #include "ir/func_graph.h"
-#include "ir/primitive_base.h"
+#include "ir/primitive.h"
 #include "utils/context/ms_context.h"
 #include "operator/ops.h"
 
diff --git a/mindspore/ccsrc/ir/primitive.cc b/mindspore/ccsrc/ir/primitive.cc
index 3526e47f96..352c0f31ae 100644
--- a/mindspore/ccsrc/ir/primitive.cc
+++ b/mindspore/ccsrc/ir/primitive.cc
@@ -15,108 +15,57 @@
  */
 
 #include "ir/primitive.h"
-#include <mutex>
-#include <utility>
-#include "ir/signature.h"
-#include "operator/ops.h"
-#include "./common.h"
-#include "pipeline/parse/python_adapter.h"
-#include "pipeline/parse/data_converter.h"
-#include "pybind11/pytypes.h"
-#include "utils/convert_utils_base.h"
-#include "utils/primitive_utils.h"
 
-#include "pybind_api/api_register.h"
-#include "pybind_api/export_flags.h"
+#include <utility>
 
 namespace mindspore {
-static ValuePtr PyArgToValue(const py::object &arg) {
-  if (py::isinstance<SignatureEnumKind>(arg) &&
-      py::cast<SignatureEnumKind>(arg) == SignatureEnumKind::kKindEmptyDefaultValue) {
-    return nullptr;
-  }
-  return parse::data_converter::PyDataToValue(arg);
-}
-
-void PrimitivePy::set_signatures(
-  std::vector<std::tuple<std::string, SignatureEnumRW, SignatureEnumKind, py::object, SignatureEnumDType>> signatures) {
-  signatures_.clear();
-  for (auto &signature : signatures) {
-    auto [name, rw, kind, arg_default, dtype] = signature;
-    auto default_value = PyArgToValue(arg_default);
-    signatures_.emplace_back(name, rw, kind, default_value, dtype);
-  }
-  set_has_signature(true);
-}
-
-py::function PrimitivePy::GetBpropFunction() {
-  static const char *const get_bprop_func_name = "get_bprop";
-  if (py::hasattr(python_obj_, get_bprop_func_name)) {
-    py::function fn = python_obj_.attr(get_bprop_func_name)().cast<py::function>();
-    return fn;
+bool Primitive::operator==(const Value &other) const {
+  if (other.isa<Primitive>()) {
+    auto other_prim = static_cast<const Primitive &>(other);
+    return *this == other_prim;
   } else {
-    auto fn = GetBpropFunctionByObj(python_obj_);
-    return fn;
+    return false;
   }
 }
 
-py::function PrimitivePy::GetComputeFunction() {
-  static const char *const compute_func_name = "vm_impl";
-
-  if (py::hasattr(python_obj_, compute_func_name)) {
-    MS_LOG(INFO) << name() << " compute_func_name";
-    py::function fn = python_obj_.attr(compute_func_name).cast<py::function>();
-    return fn;
+bool Primitive::operator==(const Primitive &other) const {
+  if (name() != other.name()) {
+    return false;
   }
-
-  static const std::string vm_module = "mindspore.ops.vm_impl_registry";
-  static const std::string get_vm_impl_fn = "get_vm_impl_fn";
-  MS_LOG(INFO) << name() << ": get_vm_impl_fn";
-  py::function get_fn = parse::python_adapter::GetPyFn(vm_module, get_vm_impl_fn);
-  py::function vm_fn = get_fn(python_obj_);
-
-  if (py::isinstance<py::none>(vm_fn)) {
-    MS_LOG(WARNING) << "Cannot find " << python_obj_.attr("__class__").attr("__name__").cast<std::string>();
-    vm_fn = mindspore::GetComputeFunction(Primitive::name());
+  if (attrs_.size() != other.attrs_.size()) {
+    return false;
   }
-  return vm_fn;
+  auto all = std::all_of(attrs_.begin(), attrs_.end(), [&other](const std::pair<std::string, ValuePtr> &item) -> bool {
+    if (item.second == nullptr) {
+      return false;
+    }
+    auto iter = other.attrs_.find(item.first);
+    if (iter == other.attrs_.end()) {
+      return false;
+    }
+    return *item.second == *iter->second;
+  });
+  return all;
 }
 
-void PrimitivePy::AddPyAttr(const py::str &name, const py::object &obj) {
-  std::string attr_name = name;
-  ValuePtr converted_ret = nullptr;
-  if (py::isinstance<py::module>(obj)) {
-    MS_LOG(EXCEPTION) << "AddPyAttr failed, obj should not be py::module";
-  }
-  bool converted = parse::ConvertData(obj, &converted_ret);
-  if (!converted) {
-    MS_LOG(EXCEPTION) << "Attribute convert error with type: " << std::string(py::str(obj));
+std::string Primitive::GetAttrsText() const {
+  if (attrs_.empty()) {
+    return "";
   }
-  (void)this->AddAttr(attr_name, converted_ret);
-}
 
-py::dict PrimitivePy::GetAttrDict() {
-  py::dict attr_dict;
+  std::ostringstream oss;
+  oss << "[";
+  bool is_first = true;
   for (auto &attr : attrs_) {
-    attr_dict[py::str(attr.first)] = ValuePtrToPyData(attr.second);
+    if (is_first) {
+      is_first = false;
+    } else {
+      oss << ", ";
+    }
+    oss << attr.first << "=" << attr.second->DumpText();
   }
-  return attr_dict;
-}
+  oss << "]";
 
-REGISTER_PYBIND_DEFINE(Primitive_, ([](const py::module *m) {
-                         (void)py::enum_<PrimType>(*m, "prim_type", py::arithmetic())
-                           .value("unknown", PrimType::kPrimTypeUnknown)
-                           .value("builtin", PrimType::kPrimTypeBuiltIn)
-                           .value("py_infer_shape", PrimType::kPrimTypePyInferShape)
-                           .value("user_custom", PrimType::kPrimTypeUserCustom);
-                         (void)py::class_<PrimitivePy, std::shared_ptr<PrimitivePy>>(*m, "Primitive_")
-                           .def_readonly(PYTHON_PRIMITIVE_FLAG, &PrimitivePy::parse_info_)
-                           .def(py::init<py::str &, py::object>())
-                           .def("add_attr", &PrimitivePy::AddPyAttr, "add primitive attr")
-                           .def("get_attr_dict", &PrimitivePy::GetAttrDict, "get primitive attr")
-                           .def("set_prim_type", &PrimitivePy::set_prim_type, "Set primitive type.")
-                           .def("set_signatures", &PrimitivePy::set_signatures, "Set primitive inputs signature.")
-                           .def("register_hook", &PrimitivePy::set_hook, "Set primitive hook function.")
-                           .def("set_instance_name", &PrimitivePy::set_instance_name, "Set primitive instance name.");
-                       }));
+  return oss.str();
+}
 }  // namespace mindspore
diff --git a/mindspore/ccsrc/ir/primitive.h b/mindspore/ccsrc/ir/primitive.h
index 257302c0c4..9732e173ac 100644
--- a/mindspore/ccsrc/ir/primitive.h
+++ b/mindspore/ccsrc/ir/primitive.h
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019 Huawei Technologies Co., Ltd
+ * Copyright 2019-2020 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,45 +23,129 @@
 #include <string>
 #include <tuple>
 
+#include "ir/dtype/type.h"
 #include "pipeline/static_analysis/abstract_value.h"
-#include "utils/misc.h"
-#include "utils/log_adapter.h"
-#include "ir/primitive_base.h"
-#include "ir/signature.h"
 #include "parallel/ops_info/operator_info.h"
-
+#include "utils/base_ref_extends.h"
 namespace mindspore {
-class PrimitivePy : public Primitive {
+// Supported meta type
+enum PrimType {
+  kPrimTypeUnknown = 0,
+  kPrimTypeBegin = kTypeUnknown,
+  kPrimTypeBuiltIn,        // Built-in primitive operator
+  kPrimTypePyInferShape,   // Primitive operator defined by custom
+  kPrimTypePyInferTensor,  // Primitive operator defined by custom
+  kPrimTypeUserCustom
+};
+
+class Primitive : public Named {
  public:
-  PrimitivePy(const py::str &name, const py::object &python_obj)
-      : Primitive(name, false), python_obj_(python_obj), signatures_() {}
-  ~PrimitivePy() override = default;
-  MS_DECLARE_PARENT(PrimitivePy, Primitive);
-  py::function GetBpropFunction();
-  py::function GetComputeFunction();
+  explicit Primitive(const std::string &name, const bool is_base = true, const PrimType prim_type = kPrimTypeBuiltIn)
+      : Named(name),
+        is_base_(is_base),
+        has_signature_(false),
+        prim_type_(prim_type),
+        record_evaluate_add_attr_(false) {}
+
+  Primitive(const Primitive &prim)
+      : Named(prim),
+        attrs_(prim.attrs_),
+        instance_name_(prim.instance_name_),
+        is_base_(prim.is_base_),
+        has_signature_(prim.has_signature_),
+        prim_type_(prim.prim_type_),
+        record_evaluate_add_attr_(false) {}
+
+  MS_DECLARE_PARENT(Primitive, Named);
+
+  abstract::AbstractBasePtr ToPrimAbstract(const AnfNodePtr &anf_node);
+  std::string ToString() const override { return name(); }
+  void BeginRecordAddAttr() {
+    evaluate_added_attrs_.clear();
+    record_evaluate_add_attr_ = true;
+  }
+  void EndRecordAddAttr() { record_evaluate_add_attr_ = false; }
+  Primitive &AddAttr(const std::string &name, const ValuePtr &attr) {
+    attrs_[name] = attr;
+    if (record_evaluate_add_attr_) {
+      evaluate_added_attrs_[name] = attr;
+    }
+    return *this;
+  }
+
+  Primitive &SetAttrs(const std::unordered_map<std::string, ValuePtr> &attrs) {
+    for (auto &attr : attrs) {
+      attrs_[attr.first] = attr.second;
+    }
+    return *this;
+  }
 
-  void set_signatures(
-    std::vector<std::tuple<std::string, SignatureEnumRW, SignatureEnumKind, py::object, SignatureEnumDType>>
-      signatures);
+  void set_attr(const std::string &attrName, const ValuePtr &attr) { attrs_[attrName] = attr; }
+  void EraseAttr(const std::string &attrName) { (void)attrs_.erase(attrName); }
 
-  const std::vector<Signature> &signatures() const { return signatures_; }
+  ValuePtr GetAttr(const std::string &attrName) const {
+    auto iter = attrs_.find(attrName);
+    return iter == attrs_.cend() ? nullptr : iter->second;
+  }
 
-  void AddPyAttr(const py::str &name, const py::object &obj);
+  const std::unordered_map<std::string, ValuePtr> &attrs() const { return attrs_; }
+  const std::unordered_map<std::string, ValuePtr> &evaluate_added_attrs() const { return evaluate_added_attrs_; }
 
-  py::dict GetAttrDict();
-  void set_hook(const py::function &hook) { hook_ = hook; }
-  py::function hook() const { return hook_; }
+  // if Primitive has any attribute, for Primitives like scalar_add, return, etc, don't have any attribute.
+  bool HasAttr() const { return !attrs_.empty(); }
+  bool HasAttr(const std::string &attrName) const {
+    auto iter = attrs_.find(attrName);
+    return !(iter == attrs_.cend());
+  }
+  void set_prim_type(const PrimType t) { prim_type_ = t; }
+  void set_instance_name(const std::string s) { instance_name_ = s; }
+  bool HasPyEvaluator() const { return prim_type_ == kPrimTypePyInferShape || prim_type_ == kPrimTypeUserCustom; }
+  bool HasPyInferTensor() const { return prim_type_ == kPrimTypePyInferTensor; }
+  bool IsCustomPrim() const { return prim_type_ == kPrimTypeUserCustom; }
 
-  const bool parse_info_ = true;
-  const py::object &GetPyObj() const { return python_obj_; }
-  bool is_tuple_input_ = false;
+  PrimType prim_type() const { return prim_type_; }
+  std::string instance_name() const { return instance_name_; }
+  std::string GetAttrsText() const;
+  bool operator==(const Value &other) const override;
+  bool operator==(const Primitive &other) const;
+  ~Primitive() override = default;
+
+  void set_has_signature(bool has_signature) { has_signature_ = has_signature; }
+  bool has_signature() const { return has_signature_; }
+  bool is_base() const { return is_base_; }
+  virtual BaseRef RunHookFunction(const VectorRef &args) const { MS_LOG(EXCEPTION) << "call a empty function!"; }
+  virtual void CopyHookFunction(const PrimitivePtr &primitive) { MS_LOG(EXCEPTION) << "call a empty function!"; }
+
+ protected:
+  std::unordered_map<std::string, ValuePtr> attrs_;
+  std::unordered_map<std::string, ValuePtr> evaluate_added_attrs_;
 
  private:
-  py::object python_obj_;
-  py::function hook_;
-  std::vector<Signature> signatures_;
+  std::string instance_name_;
+  bool is_base_;
+  bool has_signature_;
+  PrimType prim_type_;
+  bool record_evaluate_add_attr_;
+};
+
+inline std::ostream &operator<<(std::ostream &os, const PrimitivePtr &p) {
+  os << *p;
+  return os;
+}
+
+struct PrimitiveEqual {
+  bool operator()(PrimitivePtr const &t1, PrimitivePtr const &t2) const {
+    MS_EXCEPTION_IF_NULL(t1);
+    MS_EXCEPTION_IF_NULL(t2);
+    return t1->name() == t2->name();
+  }
 };
 
-using PrimitivePyPtr = std::shared_ptr<PrimitivePy>;
+struct PrimitiveHasher {
+  std::size_t operator()(PrimitivePtr const &prim) const {
+    MS_EXCEPTION_IF_NULL(prim);
+    return prim->Hash();
+  }
+};
 }  // namespace mindspore
 #endif  // MINDSPORE_CCSRC_IR_PRIMITIVE_H_
diff --git a/mindspore/ccsrc/ir/primitive_base.cc b/mindspore/ccsrc/ir/primitive_base.cc
deleted file mode 100644
index 864427fe13..0000000000
--- a/mindspore/ccsrc/ir/primitive_base.cc
+++ /dev/null
@@ -1,71 +0,0 @@
-/**
- * Copyright 2020 Huawei Technologies Co., Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "ir/primitive_base.h"
-
-#include <utility>
-
-namespace mindspore {
-bool Primitive::operator==(const Value &other) const {
-  if (other.isa<Primitive>()) {
-    auto other_prim = static_cast<const Primitive &>(other);
-    return *this == other_prim;
-  } else {
-    return false;
-  }
-}
-
-bool Primitive::operator==(const Primitive &other) const {
-  if (name() != other.name()) {
-    return false;
-  }
-  if (attrs_.size() != other.attrs_.size()) {
-    return false;
-  }
-  auto all = std::all_of(attrs_.begin(), attrs_.end(), [&other](const std::pair<std::string, ValuePtr> &item) -> bool {
-    if (item.second == nullptr) {
-      return false;
-    }
-    auto iter = other.attrs_.find(item.first);
-    if (iter == other.attrs_.end()) {
-      return false;
-    }
-    return *item.second == *iter->second;
-  });
-  return all;
-}
-
-std::string Primitive::GetAttrsText() const {
-  if (attrs_.empty()) {
-    return "";
-  }
-
-  std::ostringstream oss;
-  oss << "[";
-  bool is_first = true;
-  for (auto &attr : attrs_) {
-    if (is_first) {
-      is_first = false;
-    } else {
-      oss << ", ";
-    }
-    oss << attr.first << "=" << attr.second->DumpText();
-  }
-  oss << "]";
-
-  return oss.str();
-}
-}  // namespace mindspore
diff --git a/mindspore/ccsrc/ir/primitive_base.h b/mindspore/ccsrc/ir/primitive_base.h
deleted file mode 100644
index b34c43d00e..0000000000
--- a/mindspore/ccsrc/ir/primitive_base.h
+++ /dev/null
@@ -1,150 +0,0 @@
-/**
- * Copyright 2020 Huawei Technologies Co., Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef MINDSPORE_CCSRC_IR_PRIMITIVE_BASE_H_
-#define MINDSPORE_CCSRC_IR_PRIMITIVE_BASE_H_
-
-#include <unordered_map>
-#include <vector>
-#include <memory>
-#include <string>
-#include <tuple>
-
-#include "ir/dtype/type.h"
-#include "pybind11/pybind11.h"
-
-namespace py = pybind11;
-
-namespace mindspore {
-// Supported meta type
-enum PrimType {
-  kPrimTypeUnknown = 0,
-  kPrimTypeBegin = kTypeUnknown,
-  kPrimTypeBuiltIn,        // Built-in primitive operator
-  kPrimTypePyInferShape,   // Primitive operator defined by custom
-  kPrimTypePyInferTensor,  // Primitive operator defined by custom
-  kPrimTypeUserCustom
-};
-
-class Primitive : public Named {
- public:
-  explicit Primitive(const std::string &name, const bool is_base = true, const PrimType prim_type = kPrimTypeBuiltIn)
-      : Named(name),
-        is_base_(is_base),
-        has_signature_(false),
-        prim_type_(prim_type),
-        record_evaluate_add_attr_(false) {}
-
-  Primitive(const Primitive &prim)
-      : Named(prim),
-        attrs_(prim.attrs_),
-        instance_name_(prim.instance_name_),
-        is_base_(prim.is_base_),
-        has_signature_(prim.has_signature_),
-        prim_type_(prim.prim_type_),
-        record_evaluate_add_attr_(false) {}
-
-  MS_DECLARE_PARENT(Primitive, Named);
-
-  abstract::AbstractBasePtr ToPrimAbstract(const AnfNodePtr &anf_node);
-  std::string ToString() const override { return name(); }
-  void BeginRecordAddAttr() {
-    evaluate_added_attrs_.clear();
-    record_evaluate_add_attr_ = true;
-  }
-  void EndRecordAddAttr() { record_evaluate_add_attr_ = false; }
-  Primitive &AddAttr(const std::string &name, const ValuePtr &attr) {
-    attrs_[name] = attr;
-    if (record_evaluate_add_attr_) {
-      evaluate_added_attrs_[name] = attr;
-    }
-    return *this;
-  }
-
-  Primitive &SetAttrs(const std::unordered_map<std::string, ValuePtr> &attrs) {
-    for (auto &attr : attrs) {
-      attrs_[attr.first] = attr.second;
-    }
-    return *this;
-  }
-
-  void set_attr(const std::string &attrName, const ValuePtr &attr) { attrs_[attrName] = attr; }
-  void EraseAttr(const std::string &attrName) { (void)attrs_.erase(attrName); }
-
-  ValuePtr GetAttr(const std::string &attrName) const {
-    auto iter = attrs_.find(attrName);
-    return iter == attrs_.cend() ? nullptr : iter->second;
-  }
-
-  const std::unordered_map<std::string, ValuePtr> &attrs() const { return attrs_; }
-  const std::unordered_map<std::string, ValuePtr> &evaluate_added_attrs() const { return evaluate_added_attrs_; }
-
-  // if Primitive has any attribute, for Primitives like scalar_add, return, etc, don't have any attribute.
-  bool HasAttr() const { return !attrs_.empty(); }
-  bool HasAttr(const std::string &attrName) const {
-    auto iter = attrs_.find(attrName);
-    return !(iter == attrs_.cend());
-  }
-  void set_prim_type(const PrimType t) { prim_type_ = t; }
-  void set_instance_name(const std::string s) { instance_name_ = s; }
-  bool HasPyEvaluator() const { return prim_type_ == kPrimTypePyInferShape || prim_type_ == kPrimTypeUserCustom; }
-  bool HasPyInferTensor() const { return prim_type_ == kPrimTypePyInferTensor; }
-  bool IsCustomPrim() const { return prim_type_ == kPrimTypeUserCustom; }
-
-  PrimType prim_type() const { return prim_type_; }
-  std::string instance_name() const { return instance_name_; }
-  std::string GetAttrsText() const;
-  bool operator==(const Value &other) const override;
-  bool operator==(const Primitive &other) const;
-  ~Primitive() override = default;
-
-  void set_has_signature(bool has_signature) { has_signature_ = has_signature; }
-  bool has_signature() const { return has_signature_; }
-  bool is_base() const { return is_base_; }
-
- protected:
-  std::unordered_map<std::string, ValuePtr> attrs_;
-  std::unordered_map<std::string, ValuePtr> evaluate_added_attrs_;
-
- private:
-  std::string instance_name_;
-  bool is_base_;
-  bool has_signature_;
-  PrimType prim_type_;
-  bool record_evaluate_add_attr_;
-};
-
-inline std::ostream &operator<<(std::ostream &os, const PrimitivePtr &p) {
-  os << *p;
-  return os;
-}
-
-struct PrimitiveEqual {
-  bool operator()(PrimitivePtr const &t1, PrimitivePtr const &t2) const {
-    MS_EXCEPTION_IF_NULL(t1);
-    MS_EXCEPTION_IF_NULL(t2);
-    return t1->name() == t2->name();
-  }
-};
-
-struct PrimitiveHasher {
-  std::size_t operator()(PrimitivePtr const &prim) const {
-    MS_EXCEPTION_IF_NULL(prim);
-    return prim->Hash();
-  }
-};
-}  // namespace mindspore
-#endif  // MINDSPORE_CCSRC_IR_PRIMITIVE_BASE_H_
diff --git a/mindspore/ccsrc/ir/primitive_base_extends.cc b/mindspore/ccsrc/ir/primitive_extends.cc
similarity index 96%
rename from mindspore/ccsrc/ir/primitive_base_extends.cc
rename to mindspore/ccsrc/ir/primitive_extends.cc
index 64bdafa4d1..9df46920bf 100644
--- a/mindspore/ccsrc/ir/primitive_base_extends.cc
+++ b/mindspore/ccsrc/ir/primitive_extends.cc
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "ir/primitive_base.h"
+#include "ir/primitive.h"
 #include "pipeline/static_analysis/abstract_function.h"
 
 namespace mindspore {
diff --git a/mindspore/ccsrc/ir/primitive_py.cc b/mindspore/ccsrc/ir/primitive_py.cc
new file mode 100644
index 0000000000..b672f470c9
--- /dev/null
+++ b/mindspore/ccsrc/ir/primitive_py.cc
@@ -0,0 +1,195 @@
+/**
+ * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ir/primitive_py.h"
+#include <mutex>
+#include <utility>
+#include "ir/signature.h"
+#include "operator/ops.h"
+#include "./common.h"
+#include "pipeline/parse/python_adapter.h"
+#include "pipeline/parse/data_converter.h"
+#include "pybind11/pytypes.h"
+#include "utils/convert_utils_base.h"
+#include "utils/primitive_utils.h"
+#include "utils/base_ref_py.h"
+#include "pybind_api/api_register.h"
+#include "pybind_api/export_flags.h"
+
+namespace mindspore {
+namespace {
+constexpr auto kBpropAttrName = "bprop";
+constexpr auto kCellHookAttrName = "cell_hook";
+constexpr auto kCellIDAttrName = "cell_id";
+void SyncData(const py::object &arg) {
+  if (py::isinstance<py::tuple>(arg)) {
+    py::tuple arg_list = py::cast<py::tuple>(arg);
+    for (size_t i = 0; i < arg_list.size(); i++) {
+      SyncData(arg_list[i]);
+    }
+  }
+  if (py::isinstance<tensor::Tensor>(arg)) {
+    auto tensor = py::cast<tensor::TensorPtr>(arg);
+    (void)tensor->data_sync();
+  }
+}
+}  // namespace
+std::map<std::string, py::object> PrimitivePy::hook_grad_;
+static ValuePtr PyArgToValue(const py::object &arg) {
+  if (py::isinstance<SignatureEnumKind>(arg) &&
+      py::cast<SignatureEnumKind>(arg) == SignatureEnumKind::kKindEmptyDefaultValue) {
+    return nullptr;
+  }
+  return parse::data_converter::PyDataToValue(arg);
+}
+
+void PrimitivePy::set_signatures(
+  std::vector<std::tuple<std::string, SignatureEnumRW, SignatureEnumKind, py::object, SignatureEnumDType>> signatures) {
+  signatures_.clear();
+  for (auto &signature : signatures) {
+    auto [name, rw, kind, arg_default, dtype] = signature;
+    auto default_value = PyArgToValue(arg_default);
+    signatures_.emplace_back(name, rw, kind, default_value, dtype);
+  }
+  set_has_signature(true);
+}
+
+py::function PrimitivePy::GetBpropFunction() {
+  static const char *const get_bprop_func_name = "get_bprop";
+  if (py::hasattr(python_obj_, get_bprop_func_name)) {
+    py::function fn = python_obj_.attr(get_bprop_func_name)().cast<py::function>();
+    return fn;
+  } else {
+    auto fn = GetBpropFunctionByObj(python_obj_);
+    return fn;
+  }
+}
+
+BaseRef PrimitivePy::RunHookFunction(const VectorRef &args) const {
+  auto py_args = py::tuple(args.size());
+  size_t i = 0;
+  for (auto &arg : args) {
+    py_args[i] = BaseRefToPyData(arg);
+    MS_LOG(DEBUG) << "arg:" << i << ":";
+    i++;
+  }
+  py::object obj;
+  bool is_bprop = this->HasAttr(kBpropAttrName);
+  if (is_bprop) {
+    SyncData(py_args);
+    obj = hook_(*py_args);
+    return std::make_shared<PyObjectRef>(obj);
+  }
+  SyncData(py_args[2]);
+  bool is_cell = this->HasAttr(kCellHookAttrName);
+  if (is_cell) {
+    auto cell_id = GetValue<std::string>(this->GetAttr(kCellIDAttrName));
+    auto iter = hook_grad_.find(cell_id);
+    if (iter != hook_grad_.end()) {
+      auto hook_args = py::tuple(3);
+      hook_args[0] = cell_id;
+      hook_args[1] = py::make_tuple(iter->second);
+      hook_args[2] = py::make_tuple(py_args[2]);
+      obj = hook_(*hook_args);
+      if (py::isinstance<py::none>(obj)) {
+        obj = py_args[2];
+      }
+      hook_grad_.erase(cell_id);
+    } else {
+      hook_grad_[cell_id] = py_args[2];
+      obj = py_args[2];
+    }
+  } else {
+    // Hook operator for execute variable hook function
+    obj = hook_(py::make_tuple(py_args[2]));
+    if (py::isinstance<py::none>(obj)) {
+      obj = py_args[2];
+    }
+  }
+  obj = py::make_tuple(obj);
+  return std::make_shared<PyObjectRef>(obj);
+}
+
+py::function PrimitivePy::GetComputeFunction() {
+  static const char *const compute_func_name = "vm_impl";
+
+  if (py::hasattr(python_obj_, compute_func_name)) {
+    MS_LOG(INFO) << name() << " compute_func_name";
+    py::function fn = python_obj_.attr(compute_func_name).cast<py::function>();
+    return fn;
+  }
+
+  static const std::string vm_module = "mindspore.ops.vm_impl_registry";
+  static const std::string get_vm_impl_fn = "get_vm_impl_fn";
+  MS_LOG(INFO) << name() << ": get_vm_impl_fn";
+  py::function get_fn = parse::python_adapter::GetPyFn(vm_module, get_vm_impl_fn);
+  py::function vm_fn = get_fn(python_obj_);
+
+  if (py::isinstance<py::none>(vm_fn)) {
+    MS_LOG(WARNING) << "Cannot find " << python_obj_.attr("__class__").attr("__name__").cast<std::string>();
+    vm_fn = mindspore::GetComputeFunction(Primitive::name());
+  }
+  return vm_fn;
+}
+
+void PrimitivePy::AddPyAttr(const py::str &name, const py::object &obj) {
+  std::string attr_name = name;
+  ValuePtr converted_ret = nullptr;
+  if (py::isinstance<py::module>(obj)) {
+    MS_LOG(EXCEPTION) << "AddPyAttr failed, obj should not be py::module";
+  }
+  bool converted = parse::ConvertData(obj, &converted_ret);
+  if (!converted) {
+    MS_LOG(EXCEPTION) << "Attribute convert error with type: " << std::string(py::str(obj));
+  }
+  (void)this->AddAttr(attr_name, converted_ret);
+}
+
+py::dict PrimitivePy::GetAttrDict() {
+  py::dict attr_dict;
+  for (auto &attr : attrs_) {
+    attr_dict[py::str(attr.first)] = ValuePtrToPyData(attr.second);
+  }
+  return attr_dict;
+}
+
+void PrimitivePy::CopyHookFunction(const PrimitivePtr &primitive) {
+  MS_EXCEPTION_IF_NULL(primitive);
+  if (!primitive->isa<PrimitivePy>()) {
+    MS_LOG(EXCEPTION) << "Cannot copy a primtive which is not python primitive hook function to python primitive!";
+  }
+  auto primitive_py = primitive->cast<PrimitivePyPtr>();
+  MS_EXCEPTION_IF_NULL(primitive_py);
+  this->set_hook(primitive_py->hook());
+}
+
+REGISTER_PYBIND_DEFINE(Primitive_, ([](const py::module *m) {
+                         (void)py::enum_<PrimType>(*m, "prim_type", py::arithmetic())
+                           .value("unknown", PrimType::kPrimTypeUnknown)
+                           .value("builtin", PrimType::kPrimTypeBuiltIn)
+                           .value("py_infer_shape", PrimType::kPrimTypePyInferShape)
+                           .value("user_custom", PrimType::kPrimTypeUserCustom);
+                         (void)py::class_<PrimitivePy, std::shared_ptr<PrimitivePy>>(*m, "Primitive_")
+                           .def_readonly(PYTHON_PRIMITIVE_FLAG, &PrimitivePy::parse_info_)
+                           .def(py::init<py::str &, py::object>())
+                           .def("add_attr", &PrimitivePy::AddPyAttr, "add primitive attr")
+                           .def("get_attr_dict", &PrimitivePy::GetAttrDict, "get primitive attr")
+                           .def("set_prim_type", &PrimitivePy::set_prim_type, "Set primitive type.")
+                           .def("set_signatures", &PrimitivePy::set_signatures, "Set primitive inputs signature.")
+                           .def("register_hook", &PrimitivePy::set_hook, "Set primitive hook function.")
+                           .def("set_instance_name", &PrimitivePy::set_instance_name, "Set primitive instance name.");
+                       }));
+}  // namespace mindspore
diff --git a/mindspore/ccsrc/ir/primitive_py.h b/mindspore/ccsrc/ir/primitive_py.h
new file mode 100644
index 0000000000..96acc831f2
--- /dev/null
+++ b/mindspore/ccsrc/ir/primitive_py.h
@@ -0,0 +1,72 @@
+/**
+ * Copyright 2019 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MINDSPORE_CCSRC_IR_PRIMITIVE_PY_H_
+#define MINDSPORE_CCSRC_IR_PRIMITIVE_PY_H_
+
+#include <unordered_map>
+#include <vector>
+#include <memory>
+#include <string>
+#include <tuple>
+#include <map>
+
+#include "pipeline/static_analysis/abstract_value.h"
+#include "utils/misc.h"
+#include "pybind11/pybind11.h"
+#include "utils/log_adapter.h"
+#include "ir/primitive.h"
+#include "ir/signature.h"
+#include "parallel/ops_info/operator_info.h"
+namespace py = pybind11;
+namespace mindspore {
+class PrimitivePy : public Primitive {
+ public:
+  PrimitivePy(const py::str &name, const py::object &python_obj)
+      : Primitive(name, false), python_obj_(python_obj), signatures_() {}
+  ~PrimitivePy() override = default;
+  MS_DECLARE_PARENT(PrimitivePy, Primitive);
+  py::function GetBpropFunction();
+  py::function GetComputeFunction();
+
+  void set_signatures(
+    std::vector<std::tuple<std::string, SignatureEnumRW, SignatureEnumKind, py::object, SignatureEnumDType>>
+      signatures);
+
+  const std::vector<Signature> &signatures() const { return signatures_; }
+
+  void CopyHookFunction(const PrimitivePtr &primitive) override;
+
+  void AddPyAttr(const py::str &name, const py::object &obj);
+
+  py::dict GetAttrDict();
+  void set_hook(const py::function &hook) { hook_ = hook; }
+  py::function hook() const { return hook_; }
+  BaseRef RunHookFunction(const VectorRef &args) const override;
+  const bool parse_info_ = true;
+  const py::object &GetPyObj() const { return python_obj_; }
+  bool is_tuple_input_ = false;
+
+ private:
+  py::object python_obj_;
+  py::function hook_;
+  std::vector<Signature> signatures_;
+  static std::map<std::string, py::object> hook_grad_;
+};
+
+using PrimitivePyPtr = std::shared_ptr<PrimitivePy>;
+}  // namespace mindspore
+#endif  // MINDSPORE_CCSRC_IR_PRIMITIVE_PY_H_
diff --git a/mindspore/ccsrc/kernel/cpu/addn_cpu_kernel.cc b/mindspore/ccsrc/kernel/cpu/addn_cpu_kernel.cc
index 5b3194608e..021b49e20c 100644
--- a/mindspore/ccsrc/kernel/cpu/addn_cpu_kernel.cc
+++ b/mindspore/ccsrc/kernel/cpu/addn_cpu_kernel.cc
@@ -16,7 +16,6 @@
 
 #include "kernel/cpu/addn_cpu_kernel.h"
 #include "device/cpu/cpu_device_address.h"
-#include "ir/primitive.h"
 
 namespace mindspore {
 namespace kernel {
diff --git a/mindspore/ccsrc/kernel/cpu/allgather_cpu_kernel.cc b/mindspore/ccsrc/kernel/cpu/allgather_cpu_kernel.cc
index 9cc5126c08..811ea3ea16 100644
--- a/mindspore/ccsrc/kernel/cpu/allgather_cpu_kernel.cc
+++ b/mindspore/ccsrc/kernel/cpu/allgather_cpu_kernel.cc
@@ -16,7 +16,6 @@
 #include "kernel/cpu/allgather_cpu_kernel.h"
 #include "device/cpu/cpu_device_address.h"
 #include "device/cpu/mpi/mpi_adapter.h"
-#include "ir/primitive.h"
 #include "utils/log_adapter.h"
 
 namespace mindspore {
diff --git a/mindspore/ccsrc/kernel/cpu/concat_cpu_kernel.cc b/mindspore/ccsrc/kernel/cpu/concat_cpu_kernel.cc
index d8f2ef421b..dac382f447 100644
--- a/mindspore/ccsrc/kernel/cpu/concat_cpu_kernel.cc
+++ b/mindspore/ccsrc/kernel/cpu/concat_cpu_kernel.cc
@@ -16,7 +16,6 @@
 
 #include "kernel/cpu/concat_cpu_kernel.h"
 #include "device/cpu/cpu_device_address.h"
-#include "ir/primitive.h"
 
 namespace mindspore {
 namespace kernel {
diff --git a/mindspore/ccsrc/kernel/cpu/embedding_look_up_comm_grad_cpu_kernel.cc b/mindspore/ccsrc/kernel/cpu/embedding_look_up_comm_grad_cpu_kernel.cc
index 07da3dcc25..c9e60f0f4c 100644
--- a/mindspore/ccsrc/kernel/cpu/embedding_look_up_comm_grad_cpu_kernel.cc
+++ b/mindspore/ccsrc/kernel/cpu/embedding_look_up_comm_grad_cpu_kernel.cc
@@ -17,7 +17,6 @@
 #include "kernel/cpu/embedding_look_up_comm_grad_cpu_kernel.h"
 #include "device/cpu/cpu_device_address.h"
 #include "device/cpu/mpi/mpi_adapter.h"
-#include "ir/primitive.h"
 
 namespace mindspore {
 namespace kernel {
diff --git a/mindspore/ccsrc/kernel/cpu/gather_cpu_kernel.cc b/mindspore/ccsrc/kernel/cpu/gather_cpu_kernel.cc
index 28090817cb..8aad9d19e6 100644
--- a/mindspore/ccsrc/kernel/cpu/gather_cpu_kernel.cc
+++ b/mindspore/ccsrc/kernel/cpu/gather_cpu_kernel.cc
@@ -15,7 +15,6 @@
  */
 #include "kernel/cpu/gather_cpu_kernel.h"
 #include "device/cpu/cpu_device_address.h"
-#include "ir/primitive.h"
 
 namespace mindspore {
 namespace kernel {
diff --git a/mindspore/ccsrc/kernel/cpu/slice_cpu_kernel.cc b/mindspore/ccsrc/kernel/cpu/slice_cpu_kernel.cc
index d2530430e9..afb3e6a247 100644
--- a/mindspore/ccsrc/kernel/cpu/slice_cpu_kernel.cc
+++ b/mindspore/ccsrc/kernel/cpu/slice_cpu_kernel.cc
@@ -15,7 +15,6 @@
  */
 #include "kernel/cpu/slice_cpu_kernel.h"
 #include "device/cpu/cpu_device_address.h"
-#include "ir/primitive.h"
 
 namespace mindspore {
 namespace kernel {
diff --git a/mindspore/ccsrc/operator/ops.h b/mindspore/ccsrc/operator/ops.h
index 2a98cc7e15..02673d9373 100755
--- a/mindspore/ccsrc/operator/ops.h
+++ b/mindspore/ccsrc/operator/ops.h
@@ -21,7 +21,7 @@
 #include <string>
 #include <memory>
 #include "ir/anf.h"
-#include "ir/primitive_base.h"
+#include "ir/primitive.h"
 
 namespace mindspore {
 // namespace to support primitive operators
diff --git a/mindspore/ccsrc/optimizer/ad/kprim.cc b/mindspore/ccsrc/optimizer/ad/kprim.cc
index 4141fb5413..bdec1dc93c 100644
--- a/mindspore/ccsrc/optimizer/ad/kprim.cc
+++ b/mindspore/ccsrc/optimizer/ad/kprim.cc
@@ -20,7 +20,7 @@
 #include <string>
 #include <utility>
 #include "ir/anf.h"
-#include "ir/primitive.h"
+#include "ir/primitive_py.h"
 #include "ir/meta_func_graph.h"
 #include "ir/func_graph_cloner.h"
 #include "ir/manager.h"
@@ -232,10 +232,7 @@ FuncGraphPtr KPrim::BpropCut(const ValueNodePtr &value_node, const pipeline::Res
   std::vector<AnfNodePtr> outputs;
 
   auto bprop_cut = std::make_shared<PrimitivePy>("bprop_cut", py::object());
-  if (!prim->is_base()) {
-    PrimitivePyPtr prim_py = dyn_cast<PrimitivePy>(prim);
-    bprop_cut->set_hook(prim_py->hook());
-  }
+  bprop_cut->CopyHookFunction(prim);
 
   auto cell_id = GetValue<std::string>(prim->GetAttr("cell_id"));
   if (cell_id != "") {
diff --git a/mindspore/ccsrc/optimizer/py_pass_manager.h b/mindspore/ccsrc/optimizer/py_pass_manager.h
index eaeefce213..f7218d5ab2 100644
--- a/mindspore/ccsrc/optimizer/py_pass_manager.h
+++ b/mindspore/ccsrc/optimizer/py_pass_manager.h
@@ -23,7 +23,7 @@
 
 #include "ir/anf.h"
 #include "ir/func_graph.h"
-#include "ir/primitive.h"
+#include "ir/primitive_py.h"
 #include "utils/graph_utils.h"
 #include "common/utils.h"
 
diff --git a/mindspore/ccsrc/pipeline/static_analysis/static_analysis.h b/mindspore/ccsrc/pipeline/static_analysis/static_analysis.h
index a0b7ee5478..c33ea9f588 100644
--- a/mindspore/ccsrc/pipeline/static_analysis/static_analysis.h
+++ b/mindspore/ccsrc/pipeline/static_analysis/static_analysis.h
@@ -33,7 +33,7 @@
 
 #include "utils/log_adapter.h"
 #include "ir/anf.h"
-#include "ir/primitive.h"
+#include "ir/primitive_py.h"
 #include "pipeline/static_analysis/analysis_context.h"
 #include "pipeline/static_analysis/abstract_function.h"
 #include "pipeline/parse/parse.h"
diff --git a/mindspore/ccsrc/pipeline/static_analysis/utils.h b/mindspore/ccsrc/pipeline/static_analysis/utils.h
index 6a709ea99c..97227dbbe3 100644
--- a/mindspore/ccsrc/pipeline/static_analysis/utils.h
+++ b/mindspore/ccsrc/pipeline/static_analysis/utils.h
@@ -27,7 +27,6 @@
 #include "utils/any.h"
 #include "utils/misc.h"
 #include "utils/convert_utils.h"
-#include "ir/primitive.h"
 
 namespace mindspore {
 namespace abstract {
diff --git a/mindspore/ccsrc/pre_activate/ascend/format_type/insert_cast.cc b/mindspore/ccsrc/pre_activate/ascend/format_type/insert_cast.cc
index 3d09233d99..2b2749090a 100644
--- a/mindspore/ccsrc/pre_activate/ascend/format_type/insert_cast.cc
+++ b/mindspore/ccsrc/pre_activate/ascend/format_type/insert_cast.cc
@@ -181,15 +181,6 @@ const AnfNodePtr InsertCast::Process(const FuncGraphPtr &func_graph, const AnfNo
 
   if (AnfAlgo::IsGraphKernel(node)) {
     return ProcessGraphKernelOp(func_graph, node);
-  } else {
-    // insert cast for single op.
-    AnfAlgo::SetNodeAttr(kAttrVisited, MakeValue(true), node);
-    // process input
-    CNodePtr cnode = node->cast<CNodePtr>();
-    MS_EXCEPTION_IF_NULL(cnode);
-    auto new_node = InsertCastForInput(func_graph, cnode);
-    // process output
-    return InsertCastForOutput(func_graph, new_node, std::vector<bool>(AnfAlgo::GetOutputTensorNum(new_node), true));
   }
   // insert cast for single op.
   AnfAlgo::SetNodeAttr(kAttrVisited, MakeValue(true), node);
diff --git a/mindspore/ccsrc/pre_activate/ascend/ir_fusion/adam_apply_one_fusion.cc b/mindspore/ccsrc/pre_activate/ascend/ir_fusion/adam_apply_one_fusion.cc
index 59be003b15..4db08d0859 100644
--- a/mindspore/ccsrc/pre_activate/ascend/ir_fusion/adam_apply_one_fusion.cc
+++ b/mindspore/ccsrc/pre_activate/ascend/ir_fusion/adam_apply_one_fusion.cc
@@ -15,7 +15,6 @@
  */
 #include "pre_activate/ascend/ir_fusion/adam_apply_one_fusion.h"
 #include "pre_activate/common/helper.h"
-
 namespace mindspore {
 namespace opt {
 AnfNodePtr AdamApplyOneFusion::CreateAdamApplyOneNode(const FuncGraphPtr &func_graph, const EquivPtr &equiv) const {
diff --git a/mindspore/ccsrc/pynative/base.h b/mindspore/ccsrc/pynative/base.h
index 60ae869227..4b4d44858b 100644
--- a/mindspore/ccsrc/pynative/base.h
+++ b/mindspore/ccsrc/pynative/base.h
@@ -26,7 +26,7 @@
 #include <unordered_set>
 
 #include "pybind11/pybind11.h"
-#include "ir/primitive.h"
+#include "ir/primitive_py.h"
 #include "pipeline/static_analysis/abstract_value.h"
 
 namespace mindspore {
diff --git a/mindspore/ccsrc/transform/op_adapter_base.h b/mindspore/ccsrc/transform/op_adapter_base.h
index 01f96e251d..16c8d1fa7c 100644
--- a/mindspore/ccsrc/transform/op_adapter_base.h
+++ b/mindspore/ccsrc/transform/op_adapter_base.h
@@ -29,7 +29,6 @@
 #include "ir/primitive.h"
 #include "ir/value.h"
 #include "transform/types.h"
-
 #ifdef ENABLE_GE
 #ifdef OPEN_SOURCE
 #include "graph/types.h"
diff --git a/mindspore/ccsrc/utils/graph_utils.h b/mindspore/ccsrc/utils/graph_utils.h
index 93edda3e34..2a9240ac84 100644
--- a/mindspore/ccsrc/utils/graph_utils.h
+++ b/mindspore/ccsrc/utils/graph_utils.h
@@ -29,7 +29,7 @@
 #include <string>
 
 #include "ir/anf.h"
-#include "ir/primitive_base.h"
+#include "ir/primitive.h"
 #include "ir/scalar.h"
 #include "ir/tensor.h"
 #include "debug/label.h"
diff --git a/mindspore/ccsrc/vm/vm.cc b/mindspore/ccsrc/vm/vm.cc
index ed6f15ce70..047b330158 100644
--- a/mindspore/ccsrc/vm/vm.cc
+++ b/mindspore/ccsrc/vm/vm.cc
@@ -648,57 +648,8 @@ void FinalVM::SyncData(const py::object &arg) {
 
 BaseRef FinalVM::RunHook(const PrimitivePtr &prim, const VectorRef &args) {
   MS_LOG(DEBUG) << "input for operation:";
-  auto prim_py = dyn_cast<PrimitivePy>(prim);
-  std::size_t args_size = args.size();
-  auto py_args = py::tuple(args_size);
-  size_t i = 0;
-  for (auto &arg : args) {
-    py_args[i] = BaseRefToPyData(arg);
-    MS_LOG(DEBUG) << "arg: " << i << ":";
-    i++;
-  }
-  // Hook operator for execute cell custom bprop function
-  py::object obj;
-  bool is_bprop = prim->HasAttr("bprop");
-  if (is_bprop) {
-    SyncData(py_args);
-    py::function fn_bprop = prim_py->hook();
-    obj = fn_bprop(*py_args);
-    return obj;
-  }
-  // Sync gradient data from device to host
-  SyncData(py_args[2]);
-  bool is_cell = prim->HasAttr("cell_hook");
-  if (is_cell) {
-    // Hook operator for execute cell hook function
-    std::string cell_id = GetValue<std::string>(prim->GetAttr("cell_id"));
-    if (_hook_grad.find(cell_id) != _hook_grad.end()) {
-      std::size_t hook_args_size = 3;
-      auto hook_args = py::tuple(hook_args_size);
-      hook_args[0] = cell_id;
-      hook_args[1] = py::make_tuple(_hook_grad[cell_id]);
-      hook_args[2] = py::make_tuple(py_args[2]);
-      py::function fn_hook = prim_py->hook();
-      obj = fn_hook(*hook_args);
-      if (py::isinstance<py::none>(obj)) {
-        obj = py_args[2];
-      }
-      _hook_grad.erase(cell_id);
-    } else {
-      _hook_grad[cell_id] = py_args[2];
-      obj = py_args[2];
-    }
-  } else {
-    // Hook operator for execute variable hook function
-    py::function fn_hook = prim_py->hook();
-    obj = fn_hook(py::make_tuple(py_args[2]));
-    if (py::isinstance<py::none>(obj)) {
-      obj = py_args[2];
-    }
-  }
-  obj = py::make_tuple(obj);
-  return obj;
+  MS_EXCEPTION_IF_NULL(prim);
+  return prim->RunHookFunction(args);
 }
-
 }  // namespace compile
 }  // namespace mindspore
diff --git a/mindspore/ccsrc/vm/vm.h b/mindspore/ccsrc/vm/vm.h
index e905ec528b..02a1ad4ddb 100644
--- a/mindspore/ccsrc/vm/vm.h
+++ b/mindspore/ccsrc/vm/vm.h
@@ -161,7 +161,6 @@ class FinalVM {
     {Instruction::kPrim, [this](const VectorRef &args) { InstPushPrim(args); }},
     {Instruction::kSwitchReturn, [this](const VectorRef &args) { InstSwitchReturn(args); }},
     {Instruction::kSwitchLayer, [this](const VectorRef &args) { InstSwitchLayer(args); }}};
-  std::map<std::string, py::object> _hook_grad;
 };
 
 using FinalVMPtr = std::shared_ptr<FinalVM>;
diff --git a/mindspore/ccsrc/vm/vmimpl.cc b/mindspore/ccsrc/vm/vmimpl.cc
index 51b2c9b3d5..cb23cdaf43 100644
--- a/mindspore/ccsrc/vm/vmimpl.cc
+++ b/mindspore/ccsrc/vm/vmimpl.cc
@@ -30,7 +30,7 @@
 #include "operator/ops.h"
 #include "ir/manager.h"
 #include "ir/func_graph_cloner.h"
-#include "ir/primitive.h"
+#include "ir/primitive_py.h"
 #include "utils/convert_utils.h"
 #include "utils/primitive_utils.h"
 #include "debug/draw.h"
diff --git a/tests/ut/cpp/operator/ops_test.cc b/tests/ut/cpp/operator/ops_test.cc
index 1d1389b54a..87d32f3e76 100644
--- a/tests/ut/cpp/operator/ops_test.cc
+++ b/tests/ut/cpp/operator/ops_test.cc
@@ -19,7 +19,7 @@
 
 #include "common/common_test.h"
 #include "ir/value.h"
-#include "ir/primitive.h"
+#include "ir/primitive_py.h"
 #include "operator/ops.h"
 #include "./common.h"