diff --git a/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/infer_register.h b/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/infer_register.h
index 6a6bfd3dcf..7000c15c37 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/infer_register.h
+++ b/mindspore/ccsrc/backend/kernel_compiler/cpu/nnacl/infer/infer_register.h
@@ -214,8 +214,10 @@ enum PrimType {
   PrimType_ResizeGrad = 187,
   PrimType_Splice = 188,
   PrimType_LogSoftmax = 189,
+  PrimType_Call = 190,
+  PrimType_Custom = 191,
   PrimType_MIN = PrimType_NONE,
-  PrimType_MAX = PrimType_LogSoftmax + 1
+  PrimType_MAX = PrimType_Custom + 1
 };
 
 void RegInfer(int prim_type, InferShape func);
diff --git a/mindspore/core/ops/custom.cc b/mindspore/core/ops/custom.cc
index dbcd5f528b..e01cf2f17a 100644
--- a/mindspore/core/ops/custom.cc
+++ b/mindspore/core/ops/custom.cc
@@ -1,5 +1,5 @@
 /**
- * Copyright 2020 Huawei Technologies Co., Ltd
+ * Copyright 2021 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.
@@ -15,19 +15,41 @@
  */
 
 #include "ops/custom.h"
-#include "utils/check_convert_utils.h"
-#include "abstract/primitive_infer_map.h"
-#include "ops/op_utils.h"
+#include <memory>
+#include <map>
 
 namespace mindspore {
 namespace ops {
-void Custom::Init(const std::vector<int64_t> &custom) { this->set_custom(custom); }
+void Custom::Init(const std::string &type, const std::map<std::string, std::vector<uint8_t>> &attrs) {
+  this->set_type(type);
+  this->set_attr(attrs);
+}
+
+void Custom::set_type(const std::string &type) { this->AddAttr(kType, MakeValue(type)); }
 
-void Custom::set_custom(const std::vector<int64_t> &custom) { this->AddAttr(kCustom, MakeValue(custom)); }
+std::string Custom::get_type() const {
+  auto value_ptr = this->GetAttr(kType);
+  return GetValue<std::string>(value_ptr);
+}
+
+void Custom::set_attr(const std::map<std::string, std::vector<uint8_t>> &attrs) {
+  ValuePtrList value_ptr_list;
+  for (const auto &attr : attrs) {
+    value_ptr_list.emplace_back(MakeValue<std::string>(attr.first));
+    value_ptr_list.emplace_back(MakeValue<std::vector<uint8_t>>(attr.second));
+  }
+  this->AddAttr(kAttr, MakeValue(value_ptr_list));
+}
 
-std::vector<int64_t> Custom::get_custom() const {
-  auto value_ptr = this->GetAttr(kCustom);
-  return GetValue<std::vector<int64_t>>(value_ptr);
+std::map<std::string, std::vector<uint8_t>> Custom::get_attr() const {
+  std::map<std::string, std::vector<uint8_t>> attrs;
+  auto value_ptr_list = GetValue<ValuePtrList>(this->GetAttr(kAttr));
+  for (size_t i = 0; i < value_ptr_list.size(); i += 2) {
+    auto key = GetValue<std::string>(value_ptr_list[i]);
+    auto value = GetValue<std::vector<uint8_t>>(value_ptr_list[i + 1]);
+    attrs[key] = value;
+  }
+  return attrs;
 }
 REGISTER_PRIMITIVE_C(kNameCustom, Custom);
 }  // namespace ops
diff --git a/mindspore/core/ops/custom.h b/mindspore/core/ops/custom.h
index 9773f3c7dc..52a5204945 100644
--- a/mindspore/core/ops/custom.h
+++ b/mindspore/core/ops/custom.h
@@ -1,5 +1,5 @@
 /**
- * Copyright 2020 Huawei Technologies Co., Ltd
+ * Copyright 2021 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.
@@ -16,12 +16,15 @@
 
 #ifndef MINDSPORE_CORE_OPS_CUSTOM_H_
 #define MINDSPORE_CORE_OPS_CUSTOM_H_
-#include <memory>
-
+#include <string>
+#include <utility>
 #include <vector>
+#include <map>
+#include <memory>
+#include <unordered_map>
 #include "ops/primitive_c.h"
-#include "abstract/abstract_value.h"
-#include "utils/check_convert_utils.h"
+#include "ops/op_utils.h"
+#include "ir/anf.h"
 
 namespace mindspore {
 namespace ops {
@@ -29,11 +32,13 @@ constexpr auto kNameCustom = "Custom";
 class Custom : public PrimitiveC {
  public:
   Custom() : PrimitiveC(kNameCustom) {}
-  ~Custom() = default;
+  ~Custom() override = default;
   MS_DECLARE_PARENT(Custom, PrimitiveC);
-  void Init(const std::vector<int64_t> &custom);
-  void set_custom(const std::vector<int64_t> &custom);
-  std::vector<int64_t> get_custom() const;
+  void Init(const std::string &type, const std::map<std::string, std::vector<uint8_t>> &attrs);
+  void set_type(const std::string &type);
+  std::string get_type() const;
+  void set_attr(const std::map<std::string, std::vector<uint8_t>> &attrs);
+  std::map<std::string, std::vector<uint8_t>> get_attr() const;
 };
 
 using PrimCustomPtr = std::shared_ptr<Custom>;
diff --git a/mindspore/core/ops/op_utils.h b/mindspore/core/ops/op_utils.h
index 0d3f5923ea..a1bf7bbb1e 100644
--- a/mindspore/core/ops/op_utils.h
+++ b/mindspore/core/ops/op_utils.h
@@ -31,6 +31,7 @@ constexpr auto kActivation = "activation";
 constexpr auto kActivationType = "activation_type";
 constexpr auto kAddress = "address";
 constexpr auto kAlignCorners = "align_corners";
+constexpr auto kAttr = "attr";
 constexpr auto kAspectRatios = "aspect_ratios";
 constexpr auto kAxes = "axes";
 constexpr auto kAxis = "axis";
diff --git a/mindspore/lite/schema/ops.fbs b/mindspore/lite/schema/ops.fbs
index b959d66e6d..62f1ad4141 100644
--- a/mindspore/lite/schema/ops.fbs
+++ b/mindspore/lite/schema/ops.fbs
@@ -208,6 +208,7 @@ union PrimitiveType {
     Splice,
     LogSoftmax,
     Call,
+    Custom,
 }
 
 table Abs {
@@ -1103,3 +1104,8 @@ table LogSoftmax {
 
 table Call {
 }
+
+table Custom {
+    type: string;
+    attr: [Attribute];
+}
diff --git a/mindspore/lite/schema/ops_types.fbs b/mindspore/lite/schema/ops_types.fbs
index 6d9e6ebfed..7ef27613c3 100644
--- a/mindspore/lite/schema/ops_types.fbs
+++ b/mindspore/lite/schema/ops_types.fbs
@@ -142,3 +142,8 @@ table Vec {
 table Vec2D {
     data: [Vec];
 }
+
+table Attribute {
+    name: string;
+    data: [ubyte];
+}
diff --git a/mindspore/lite/src/ops/ops_def.cc b/mindspore/lite/src/ops/ops_def.cc
index 4efb906c84..5b17ecef5b 100644
--- a/mindspore/lite/src/ops/ops_def.cc
+++ b/mindspore/lite/src/ops/ops_def.cc
@@ -207,6 +207,7 @@ OP_TYPE(ResizeGrad)
 OP_TYPE(Splice)
 OP_TYPE(LogSoftmax)
 OP_TYPE(Call)
+OP_TYPE(Custom)
 OP_TYPE_DEF_END(PrimitiveType)
 
 OP_SCHEMA_DEF(Abs)
@@ -1102,3 +1103,8 @@ OP_SCHEMA_DEF_END(LogSoftmax)
 
 OP_SCHEMA_DEF(Call)
 OP_SCHEMA_DEF_END(Call)
+
+OP_SCHEMA_DEF_ONLY(Custom)
+OP_ATTR_ONLY(type, string)
+OP_ATTR_ONLY(attr, [Attribute])
+OP_SCHEMA_DEF_ONLY_END(Custom)
diff --git a/mindspore/lite/src/ops/ops_utils.cc b/mindspore/lite/src/ops/ops_utils.cc
index d2808e3732..eaddf86232 100644
--- a/mindspore/lite/src/ops/ops_utils.cc
+++ b/mindspore/lite/src/ops/ops_utils.cc
@@ -975,6 +975,39 @@ RegistryMSOps g_erfPrimitiveCreatorRegistry("Erf", ErfPrimitiveCreator);
 RegistryMSOps g_SplicePrimitiveCreatorRegistry("Splice", SplicePrimitiveCreator);
 RegistryMSOps g_LogSoftmaxPrimitiveCreatorRegistry("LogSoftmax", LogSoftmaxPrimitiveCreator);
 RegistryMSOps g_CallPrimitiveCreatorRegistry("call", CallPrimitiveCreator);
+
+schema::PrimitiveT *CustomPrimitiveCreator(const AnfNodePtr &node) {
+  auto ms_primc = GetValueNode<std::shared_ptr<mindspore::ops::Custom>>(node);
+  auto *schema_op = new (std::nothrow) schema::CustomT();
+  if (schema_op == nullptr) {
+    return nullptr;
+  }
+  if (ms_primc->GetAttr("type") != nullptr) {
+    schema_op->type = ms_primc->get_type();
+  }
+  if (ms_primc->GetAttr("attr") != nullptr) {
+    auto attr_map = ms_primc->get_attr();
+    for (const auto &attr_item : attr_map) {
+      auto *attr = new (std::nothrow) schema::AttributeT();
+      if (attr == nullptr) {
+        return nullptr;
+      }
+      attr->name = attr_item.first;
+      attr->data = attr_item.second;
+      schema_op->attr.emplace_back(attr);
+    }
+  }
+
+  auto *prim = new (std::nothrow) schema::PrimitiveT();
+  if (prim == nullptr) {
+    return nullptr;
+  }
+  prim->value.value = schema_op;
+  prim->value.type = schema::PrimitiveType_Custom;
+  return prim;
+}
+
+RegistryMSOps g_CustomPrimitiveCreatorRegistry("Custom", CustomPrimitiveCreator);
 }  // namespace lite
 }  // namespace mindspore