diff --git a/parser/caffe/caffe_parser.cc b/parser/caffe/caffe_parser.cc
index 0ea52ce..0a16d74 100644
--- a/parser/caffe/caffe_parser.cc
+++ b/parser/caffe/caffe_parser.cc
@@ -54,6 +54,7 @@
 #include "register/register_fmk_types.h"
 #include "mmpa/mmpa_api.h"
 #include "parser/common/parser_utils.h"
+#include "graph/utils/oper_utils.h"
 
 using domi::caffe::ConvolutionParameter;
 using domi::caffe::InnerProductParameter;
@@ -98,7 +99,7 @@ graphStatus aclgrphParseCaffe(const char *model_file, const char *weights_file,
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>("tmpGraph");
   GE_CHECK_NOTNULL(compute_graph);
 
-  graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
   auto model_parser = domi::ModelParserFactory::Instance()->CreateModelParser(domi::CAFFE);
   GE_CHECK_NOTNULL(model_parser);
 
@@ -162,7 +163,7 @@ graphStatus aclgrphParseCaffe(const char *model_file, const char *weights_file,
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>(graph_name);
   GE_CHECK_NOTNULL(compute_graph);
 
-  graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
   auto model_parser = domi::ModelParserFactory::Instance()->CreateModelParser(domi::CAFFE);
   GE_CHECK_NOTNULL(model_parser);
 
@@ -1373,7 +1374,7 @@ Status CaffeModelParser::ParseFromMemory(const char *data, uint32_t size, ge::Co
 Status CaffeModelParser::Parse(const char *model_path, ge::Graph &graph) {
   ErrorManager::GetInstance().SetStage(error_message::kModelCompile, error_message::kParser);
   GE_CHECK_NOTNULL(model_path);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   GE_CHECK_NOTNULL(compute_graph);
 
   Status ret = Parse(model_path, compute_graph);
@@ -1702,7 +1703,7 @@ Status CaffeWeightsParser::ParseFromMemory(const char *data, uint32_t size, ge::
 Status CaffeWeightsParser::Parse(const char *file, ge::Graph &graph) {
   ErrorManager::GetInstance().SetStage(error_message::kModelCompile, error_message::kParser);
   GE_CHECK_NOTNULL(file);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   GE_CHECK_NOTNULL(compute_graph);
 
   Status ret = Parse(file, compute_graph);
diff --git a/parser/common/acl_graph_parser_util.cc b/parser/common/acl_graph_parser_util.cc
index 8a4b261..56301b1 100644
--- a/parser/common/acl_graph_parser_util.cc
+++ b/parser/common/acl_graph_parser_util.cc
@@ -40,6 +40,7 @@
 #include "parser/common/register_tbe.h"
 #include "tbe_plugin_loader.h"
 #include "mmpa/mmpa_api.h"
+#include "graph/utils/oper_utils.h"
 
 using google::protobuf::io::CodedInputStream;
 using google::protobuf::io::FileInputStream;
@@ -559,7 +560,7 @@ domi::Status AclGrphParseUtil::GetDefaultOutInfo(ge::ComputeGraphPtr &compute_gr
 domi::Status AclGrphParseUtil::SetOutputNodeInfo(ge::Graph &graph,
                                                  const std::map<AscendString, AscendString> &parser_params) {
   (void)parser_params;
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   GE_CHECK_NOTNULL(compute_graph);
 
   std::vector<std::pair<std::string, int32_t>> user_out_nodes = ge::GetParserContext().user_out_nodes;
@@ -691,7 +692,7 @@ domi::Status AclGrphParseUtil::ParseParamsBeforeGraph(const std::map<AscendStrin
 domi::Status AclGrphParseUtil::ParseParamsAfterGraph(ge::Graph &graph,
                                                      const std::map<AscendString, AscendString> &parser_params) const {
   // support paragrams: input_fp16_nodes, is_input_adjust_hw_layout,
-  ComputeGraphPtr compute_graph = GraphUtils::GetComputeGraph(graph);
+  ComputeGraphPtr compute_graph = OperUtils::GetComputeGraph(graph);
   GE_CHECK_NOTNULL(compute_graph);
 
   string input_fp16_nodes;
diff --git a/parser/common/auto_mapping_subgraph_io_index_func.cc b/parser/common/auto_mapping_subgraph_io_index_func.cc
index ea74352..7c9dfad 100644
--- a/parser/common/auto_mapping_subgraph_io_index_func.cc
+++ b/parser/common/auto_mapping_subgraph_io_index_func.cc
@@ -27,6 +27,7 @@
 #include "register/register_fmk_types.h"
 #include "framework/common/debug/ge_log.h"
 #include "framework/common/util.h"
+#include "graph/utils/oper_utils.h"
 
 namespace ge {
 namespace {
@@ -126,7 +127,7 @@ Status AutoMappingSubgraphIndexByDataNodeAndOutputNodesInfo(
     const std::function<Status(int netoutput_index, int &parent_output_index)> &output) {
   GE_CHECK_NOTNULL(input);
   GE_CHECK_NOTNULL(output);
-  auto compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  auto compute_graph = ge::OperUtils::GetComputeGraph(graph);
   GE_CHECK_NOTNULL(compute_graph);
 
   auto ret = AutoMappingSubgraphIndexByDataNode(compute_graph, input);
diff --git a/parser/common/parser_utils.cc b/parser/common/parser_utils.cc
index 7b4e886..14bcdbc 100644
--- a/parser/common/parser_utils.cc
+++ b/parser/common/parser_utils.cc
@@ -26,6 +26,7 @@
 #include "graph/utils/node_adapter.h"
 #include "graph/utils/op_desc_utils.h"
 #include "register/op_registry.h"
+#include "graph/utils/oper_utils.h"
 
 namespace ge {
 namespace {
@@ -109,9 +110,9 @@ Status ParserUtils::ExpandOneToManyGraph(const Graph &graph, OutputMapping &outp
 
 Status ParserUtils::ExpandNodeToSubgraph(const Graph &subgraph, const NodePtr &node, const Graph &graph,
                                          OutputMapping &output_mapping) {
-  ComputeGraphPtr sub_compute_graph = GraphUtils::GetComputeGraph(subgraph);
+  ComputeGraphPtr sub_compute_graph = OperUtils::GetComputeGraph(subgraph);
   GE_CHECK_NOTNULL(sub_compute_graph);
-  ComputeGraphPtr compute_graph = GraphUtils::GetComputeGraph(graph);
+  ComputeGraphPtr compute_graph = OperUtils::GetComputeGraph(graph);
   GE_CHECK_NOTNULL(compute_graph);
 
   // add subgraph node to graph.
diff --git a/parser/onnx/onnx_parser.cc b/parser/onnx/onnx_parser.cc
index a3ba4ca..89125b4 100644
--- a/parser/onnx/onnx_parser.cc
+++ b/parser/onnx/onnx_parser.cc
@@ -15,36 +15,27 @@
  */
 
 #include "onnx_parser.h"
+
 #include <algorithm>
-#include <iostream>
 #include <queue>
 #include "common/convert/message2operator.h"
 #include "common/convert/pb2json.h"
 #include "common/util.h"
-#include "common/util/error_manager/error_manager.h"
 #include "external/graph/operator_factory.h"
-#include "external/register/register_error_codes.h"
 #include "external/parser/onnx_parser.h"
-#include "external/ge/ge_api_types.h"
 #include "framework/omg/parser/parser_inner_ctx.h"
-#include "framework/omg/parser/parser_types.h"
 #include "omg/parser/parser_factory.h"
 #include "onnx_op_parser.h"
 #include "onnx_util.h"
 #include "parser/common/op_parser_factory.h"
-#include "parser/common/acl_graph_parser_util.h"
 #include "parser/common/model_saver.h"
-#include "parser/common/parser_utils.h"
 #include "parser/common/prototype_pass_manager.h"
 #include "parser/onnx/onnx_custom_parser_adapter.h"
-#include "parser/onnx/onnx_util.h"
 #include "register/op_registry.h"
-#include "register/register_fmk_types.h"
-#include "graph/utils/graph_utils.h"
 #include "graph/utils/node_utils.h"
 #include "graph/utils/type_utils.h"
+#include "graph/utils/oper_utils.h"
 #include "subgraph_adapter/subgraph_adapter_factory.h"
-#include "framework/common/types.h"
 #include "mmpa/mmpa_api.h"
 
 namespace {
@@ -76,7 +67,7 @@ graphStatus PrepareBeforeParse(AclGrphParseUtil &acl_graph_parse_util,
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>(graph_name);
   GE_CHECK_NOTNULL(compute_graph);
 
-  graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
   model_parser = domi::ModelParserFactory::Instance()->CreateModelParser(domi::ONNX);
   GE_CHECK_NOTNULL(model_parser);
   return ge::SUCCESS;
@@ -250,7 +241,7 @@ Status PostOpProcessForSubgraph(const ParseArg &arg, ge::ComputeGraphPtr sub_gra
     node->GetOpDesc()->SetName(OnnxUtil::GenUniqueNodeName(sub_graph->GetName(), node->GetName()));
   }
 
-  auto graph = ge::GraphUtils::CreateGraphFromComputeGraph(sub_graph);
+  auto graph = ge::OperUtils::CreateGraphFromComputeGraph(sub_graph);
   Status ret = FAILED;
   if (post_func != nullptr) {
     ret = post_func(arg.graph_name, graph);
@@ -909,7 +900,7 @@ Status OnnxModelParser::ModelParseToGraph(const ge::onnx::ModelProto &onnx_model
       root_graph = tmp_graph;
     }
 
-    ge::ComputeGraphPtr cur_compute_graph = ge::GraphUtils::GetComputeGraph(tmp_graph);
+    ge::ComputeGraphPtr cur_compute_graph = ge::OperUtils::GetComputeGraph(tmp_graph);
     GE_CHECK_NOTNULL(cur_compute_graph);
 
     ret = PostOpProcessForSubgraph(arg, cur_compute_graph);
diff --git a/parser/tensorflow/tensorflow_parser.cc b/parser/tensorflow/tensorflow_parser.cc
index cf71279..f8bc361 100644
--- a/parser/tensorflow/tensorflow_parser.cc
+++ b/parser/tensorflow/tensorflow_parser.cc
@@ -54,6 +54,7 @@
 #include "register/scope/scope_pass_registry_impl.h"
 #include "parser/common/auto_mapping_subgraph_io_index_func.h"
 #include "graph/def_types.h"
+#include "graph/utils/oper_utils.h"
 
 using ge::OpParserFactory;
 using ge::Pb2Json;
@@ -109,7 +110,7 @@ graphStatus aclgrphParseTensorFlow(const char *model_file, ge::Graph &graph) {
     return FAILED;
   }
 
-  graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
   auto model_parser = domi::ModelParserFactory::Instance()->CreateModelParser(domi::TENSORFLOW);
   if (model_parser == nullptr) {
     REPORT_CALL_ERROR("E19999", "No Model Parser for tensorflow, check invalid");
@@ -164,7 +165,7 @@ graphStatus aclgrphParseTensorFlow(const char *model_file, const std::map<Ascend
     return FAILED;
   }
 
-  graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
   auto model_parser = domi::ModelParserFactory::Instance()->CreateModelParser(domi::TENSORFLOW);
   if (model_parser == nullptr) {
     REPORT_CALL_ERROR("E19999", "No Model Parser for tensorflow, check invalid");
@@ -305,7 +306,7 @@ Status PostOpProcessForSubgraph(const ParseArg &arg) {
     node->GetOpDesc()->SetName(node->GetOwnerComputeGraph()->GetName() + "/" + node->GetName());
   }
 
-  auto graph = ge::GraphUtils::CreateGraphFromComputeGraph(arg.graph);
+  auto graph = ge::OperUtils::CreateGraphFromComputeGraph(arg.graph);
   Status ret = FAILED;
   if (post_func != nullptr) {
     ret = post_func(arg.subgraph_name, graph);
@@ -349,7 +350,7 @@ Status MappingAndAddSubGraph(const NodePtr &node, const Graph &graph, const Comp
     return INTERNAL_ERROR;
   }
 
-  ComputeGraphPtr compute_graph = GraphUtils::GetComputeGraph(graph);
+  ComputeGraphPtr compute_graph = OperUtils::GetComputeGraph(graph);
   GE_CHECK_NOTNULL(compute_graph);
   // Inner function, GetOpDesc has been checked by caller
   (void)node->GetOpDesc()->AddSubgraphName("f");
@@ -1371,7 +1372,7 @@ Status TensorFlowModelParser::GetFunctionProto(const string &file,
 Status TensorFlowModelParser::Parse(const char *file, ge::Graph &graph) {
   ErrorManager::GetInstance().SetStage(error_message::kModelCompile, error_message::kParser);
   GE_CHECK_NOTNULL(file);
-  ge::ComputeGraphPtr root_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr root_graph = ge::OperUtils::GetComputeGraph(graph);
   GE_CHECK_NOTNULL(root_graph);
 
   Status ret = Parse(file, root_graph);
@@ -1591,7 +1592,7 @@ Status TensorFlowModelParser::ParseAllGraph(const google::protobuf::Message *pro
   DeleteFuisonNodeDef();
 
   GE_RETURN_IF_ERROR(AddEdges(graph));
-  Graph dest_graph = GraphUtils::CreateGraphFromComputeGraph(graph);
+  Graph dest_graph = OperUtils::CreateGraphFromComputeGraph(graph);
   ParserUtils::OutputMapping final_output_nodes;
   GE_RETURN_IF_ERROR(ParserUtils::ExpandOneToManyGraph(dest_graph, final_output_nodes));
   GE_RETURN_IF_ERROR(UpdateOutputsInfo(final_output_nodes));
@@ -2336,7 +2337,7 @@ Status TensorFlowModelParser::ParseProto(const google::protobuf::Message *proto,
 
   ret = AddEdges(graph);
 
-  Graph dest_graph = GraphUtils::CreateGraphFromComputeGraph(graph);
+  Graph dest_graph = OperUtils::CreateGraphFromComputeGraph(graph);
   ParserUtils::OutputMapping final_output_nodes;
   GE_RETURN_IF_ERROR(ParserUtils::ExpandOneToManyGraph(dest_graph, final_output_nodes));
   GE_RETURN_IF_ERROR(UpdateOutputsInfo(final_output_nodes));
@@ -4023,7 +4024,7 @@ Status TensorFlowModelParser::AddExternalGraph(const ComputeGraphPtr &root_graph
         REPORT_CALL_ERROR("E19999", "Failed to parse external model, node:%s.", node->GetName().c_str());
         return INTERNAL_ERROR;
       }
-      Graph graph = model.GetGraph();
+      Graph graph = ge::OperUtils::CreateGraphFromComputeGraph(model.GetGraph());
       GELOGD("Get subgraph[%s] from model[%s].", ParserUtils::GetGraphName(graph).c_str(), node->GetName().c_str());
       Status ret = MappingAndAddSubGraph(node, graph, root_graph);
       if (ret != SUCCESS) {
diff --git a/tests/st/CMakeLists.txt b/tests/st/CMakeLists.txt
index 1acc4ed..c85d794 100644
--- a/tests/st/CMakeLists.txt
+++ b/tests/st/CMakeLists.txt
@@ -127,6 +127,7 @@ set(MATEDEF_SRC_FILES
     "${PARSER_DIR}/metadef/graph/utils/graph_utils.cc"
     "${PARSER_DIR}/metadef/graph/utils/node_utils.cc"
     "${PARSER_DIR}/metadef/graph/utils/op_desc_utils.cc"
+    "${PARSER_DIR}/metadef/graph/utils/oper_utils.cc"
     "${PARSER_DIR}/metadef/graph/utils/tensor_utils.cc"
     "${PARSER_DIR}/metadef/graph/utils/transformer_utils.cc"
     "${PARSER_DIR}/metadef/graph/utils/tuning_utils.cc"
diff --git a/tests/st/testcase/test_caffe_parser.cc b/tests/st/testcase/test_caffe_parser.cc
index 45fc70c..afbe1e0 100644
--- a/tests/st/testcase/test_caffe_parser.cc
+++ b/tests/st/testcase/test_caffe_parser.cc
@@ -20,6 +20,7 @@
 #define private public
 #include "parser/common/op_parser_factory.h"
 #include "graph/operator_reg.h"
+#include "graph/utils/oper_utils.h"
 #include "register/op_registry.h"
 #include "parser/common/register_tbe.h"
 #include "framework/omg/parser/model_parser.h"
@@ -188,7 +189,7 @@ TEST_F(STestCaffeParser, caffe_parser_user_output_with_default) {
   ASSERT_NE(model_parser, nullptr);
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>("tmp_graph");
   ASSERT_NE(compute_graph, nullptr);
-  ge::Graph graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  ge::Graph graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
   auto ret = model_parser->Parse(model_file.c_str(), graph);
   ASSERT_EQ(ret, GRAPH_SUCCESS);
   AclGrphParseUtil acl_graph_parse_util;
@@ -258,7 +259,7 @@ TEST_F(STestCaffeParser, modelparser_parsefrommemory_success)
   const char* tmp_tf_pb_model = modelFile.c_str();
   ge::Graph graph;
 
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   CaffeModelParser modelParser;
   MemBuffer* memBuffer = ParerSTestsUtils::MemBufferFromFile(tmp_tf_pb_model);
   auto ret = modelParser.ParseFromMemory((char*)memBuffer->data, memBuffer->size, compute_graph);
@@ -672,7 +673,7 @@ TEST_F(STestCaffeParser, CaffeWeightsParser_ParseGraph_test)
 {
   CaffeWeightsParser weightParser;
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>("tmp_graph");
-  ge::Graph graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  ge::Graph graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
 
   std::string case_dir = __FILE__;
   case_dir = case_dir.substr(0, case_dir.find_last_of("/"));
diff --git a/tests/st/testcase/test_onnx_parser.cc b/tests/st/testcase/test_onnx_parser.cc
index 459abed..cb7ec23 100644
--- a/tests/st/testcase/test_onnx_parser.cc
+++ b/tests/st/testcase/test_onnx_parser.cc
@@ -18,6 +18,7 @@
 #include <iostream>
 #include "parser/common/op_parser_factory.h"
 #include "graph/operator_reg.h"
+#include "graph/utils/oper_utils.h"
 #include "register/op_registry.h"
 #include "parser/common/register_tbe.h"
 #include "external/parser/onnx_parser.h"
@@ -111,7 +112,7 @@ TEST_F(STestOnnxParser, onnx_parser_user_output_with_default) {
   ge::Graph graph;
   auto ret = ge::aclgrphParseONNX(model_file.c_str(), parser_params, graph);
   ASSERT_EQ(ret, GRAPH_SUCCESS);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   auto output_nodes_info = compute_graph->GetGraphOutNodesInfo();
   ASSERT_EQ(output_nodes_info.size(), 1);
   EXPECT_EQ((output_nodes_info.at(0).first->GetName()), "Conv_0");
diff --git a/tests/st/testcase/test_tensorflow_parser.cc b/tests/st/testcase/test_tensorflow_parser.cc
index b5f1908..658df01 100644
--- a/tests/st/testcase/test_tensorflow_parser.cc
+++ b/tests/st/testcase/test_tensorflow_parser.cc
@@ -21,6 +21,7 @@
 #include "parser/common/op_parser_factory.h"
 #include "parser/tensorflow/tensorflow_parser.h"
 #include "graph/operator_reg.h"
+#include "graph/utils/oper_utils.h"
 #include "register/op_registry.h"
 #include "external/register/register.h"
 #include "parser/common/register_tbe.h"
@@ -1036,7 +1037,7 @@ TEST_F(STestTensorflowParser, tensorflow_parser_success) {
   ge::Graph graph;
   auto ret = ge::aclgrphParseTensorFlow(model_file.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   auto output_nodes_info = compute_graph->GetGraphOutNodesInfo();
   ASSERT_EQ(output_nodes_info.size(), 1);
   EXPECT_EQ((output_nodes_info.at(0).first->GetName()), "add_test_1");
@@ -1154,7 +1155,7 @@ TEST_F(STestTensorflowParser, tensorflow_parserfrommemory_failed)
   modelFile = caseDir + "/origin_models/tf_add.pb";
   parser_params = {{AscendString(ge::ir_option::OUT_NODES), AscendString("Placeholder:0;Placeholder_1:0")}};
   ret = ge::aclgrphParseTensorFlow(modelFile.c_str(), parser_params, graph);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   ret = modelParser.ParseFromMemory(data, size, compute_graph);
   EXPECT_NE(ret, SUCCESS);
 }
@@ -1171,7 +1172,7 @@ TEST_F(STestTensorflowParser, modelparser_parsefrommemory_success)
   Status ret = ge::aclgrphParseTensorFlow(modelFile.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
 
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   TensorFlowModelParser modelParser;
   MemBuffer* memBuffer = MemBufferFromFile(tmp_tf_pb_model);
   PreChecker::Instance().HasError() == false;
@@ -1192,7 +1193,7 @@ TEST_F(STestTensorflowParser, weightsparser_parsefrommemory_success)
   Status ret = ge::aclgrphParseTensorFlow(modelFile.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
 
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   auto weights_parser = domi::WeightsParserFactory::Instance()->CreateWeightsParser(domi::TENSORFLOW);
   MemBuffer* memBuffer = MemBufferFromFile(tmp_tf_pb_model);
   ret = weights_parser->ParseFromMemory((char*)memBuffer->data, memBuffer->size, compute_graph);
@@ -1221,7 +1222,7 @@ TEST_F(STestTensorflowParser, parser_ParseProtoWithSubgraphV2)
   Status ret = ge::aclgrphParseTensorFlow(root_proto.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
 
-  ge::ComputeGraphPtr root_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr root_graph = ge::OperUtils::GetComputeGraph(graph);
   domi::GetGraphCallbackV2 callback(&getGraphCallbackV2);
   TensorFlowModelParser parser;
   ret = parser.ParseProtoWithSubgraph(root_proto, callback, root_graph);
@@ -1315,7 +1316,7 @@ TEST_F(STestTensorflowParser, tensorflow_ParserProto_failed)
   Status ret = ge::aclgrphParseTensorFlow(root_proto.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
 
-  ge::ComputeGraphPtr root_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr root_graph = ge::OperUtils::GetComputeGraph(graph);
   TensorFlowModelParser tensorflow_parser;
   ret = tensorflow_parser.ParseProto(reinterpret_cast<google::protobuf::Message *>(&graphDef), root_graph);
   EXPECT_EQ(PARAM_INVALID, ret);
@@ -1351,7 +1352,7 @@ TEST_F(STestTensorflowParser, tensorflow_parserAllGraph_failed)
   Status ret = ge::aclgrphParseTensorFlow(root_proto.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
 
-  ge::ComputeGraphPtr root_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr root_graph = ge::OperUtils::GetComputeGraph(graph);
   TensorFlowModelParser tensorflow_parser;
   ret = tensorflow_parser.ParseAllGraph(reinterpret_cast<google::protobuf::Message *>(&graphDef), root_graph);
   ASSERT_NE(ret, SUCCESS);
@@ -1596,7 +1597,7 @@ TEST_F(STestTensorflowParser, parse_AddScopeInnerNode)
   std::string modelFile = caseDir + "/origin_models/tf_add.pb";
   std::string op_name = "ge_ascend_irgraph";
   ge::Graph graph(op_name);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   std::map<ge::AscendString, ge::AscendString> parser_params = {
     {AscendString(ge::ir_option::OUT_NODES), AscendString("Placeholder:0;Placeholder_1:0")}};
   Status ret = ge::aclgrphParseTensorFlow(modelFile.c_str(), parser_params, graph);
diff --git a/tests/ut/parser/CMakeLists.txt b/tests/ut/parser/CMakeLists.txt
index 8b44a0a..d6ca3c8 100644
--- a/tests/ut/parser/CMakeLists.txt
+++ b/tests/ut/parser/CMakeLists.txt
@@ -128,6 +128,7 @@ set(MATEDEF_SRC_FILES
     "${PARSER_DIR}/metadef/graph/utils/cycle_detector.cc"
     "${PARSER_DIR}/metadef/graph/utils/node_utils.cc"
     "${PARSER_DIR}/metadef/graph/utils/op_desc_utils.cc"
+    "${PARSER_DIR}/metadef/graph/utils/oper_utils.cc"
     "${PARSER_DIR}/metadef/graph/utils/tensor_utils.cc"
     "${PARSER_DIR}/metadef/graph/utils/transformer_utils.cc"
     "${PARSER_DIR}/metadef/graph/utils/tuning_utils.cc"
diff --git a/tests/ut/parser/testcase/caffe_parser_testcase/caffe_parser_unittest.cc b/tests/ut/parser/testcase/caffe_parser_testcase/caffe_parser_unittest.cc
index 5d1a5bd..0aaa367 100755
--- a/tests/ut/parser/testcase/caffe_parser_testcase/caffe_parser_unittest.cc
+++ b/tests/ut/parser/testcase/caffe_parser_testcase/caffe_parser_unittest.cc
@@ -21,6 +21,7 @@
 #include <iostream>
 #include "parser/common/op_parser_factory.h"
 #include "graph/operator_reg.h"
+#include "graph/utils/oper_utils.h"
 #include "external/graph/types.h"
 #include "register/op_registry.h"
 #include "parser/common/register_tbe.h"
@@ -184,7 +185,7 @@ TEST_F(UtestCaffeParser, caffe_parser_user_output_with_name_and_index) {
   ASSERT_NE(model_parser, nullptr);
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>("tmpGraph");
   ASSERT_NE(compute_graph, nullptr);
-  ge::Graph graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  ge::Graph graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
 
   ge::GetParserContext().user_out_nodes.push_back({"abs", 0});
   auto ret = model_parser->Parse(model_file.c_str(), graph);
@@ -211,7 +212,7 @@ TEST_F(UtestCaffeParser, caffe_parser_user_output_with_top_name) {
   ASSERT_NE(model_parser, nullptr);
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>("tmpGraph");
   ASSERT_NE(compute_graph, nullptr);
-  ge::Graph graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  ge::Graph graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
 
   ge::GetParserContext().user_out_tensors.push_back("abs_out");
   auto ret = model_parser->Parse(model_file.c_str(), graph);
@@ -238,7 +239,7 @@ TEST_F(UtestCaffeParser, caffe_parser_user_output_with_default) {
   ASSERT_NE(model_parser, nullptr);
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>("tmpGraph");
   ASSERT_NE(compute_graph, nullptr);
-  ge::Graph graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  ge::Graph graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
   auto ret = model_parser->Parse(model_file.c_str(), graph);
   ASSERT_EQ(ret, GRAPH_SUCCESS);
   AclGrphParseUtil acl_graph_parse_util;
@@ -312,7 +313,7 @@ TEST_F(UtestCaffeParser, ParseFromMemory_success)
   ge::Graph graph;
 
   Status ret = ge::aclgrphParseCaffe(modelFile.c_str(), weight_file.c_str(), graph);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   CaffeModelParser modelParser;
   MemBuffer* memBuffer1 = ParerUTestsUtils::MemBufferFromFile(tmp_tf_pb_model);
   ret = modelParser.ParseFromMemory((char*)memBuffer1->data, memBuffer1->size, compute_graph);
@@ -754,7 +755,7 @@ TEST_F(UtestCaffeParser, CaffeWeightsParser_ParseGraph_test)
 {
   CaffeWeightsParser weightParser;
   ge::ComputeGraphPtr compute_graph = ge::parser::MakeShared<ge::ComputeGraph>("tmp_graph");
-  ge::Graph graph = ge::GraphUtils::CreateGraphFromComputeGraph(compute_graph);
+  ge::Graph graph = ge::OperUtils::CreateGraphFromComputeGraph(compute_graph);
 
   std::string case_dir = __FILE__;
   case_dir = case_dir.substr(0, case_dir.find_last_of("/"));
diff --git a/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc b/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc
index c945d69..512c720 100644
--- a/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc
+++ b/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc
@@ -18,6 +18,7 @@
 #include <iostream>
 #include "parser/common/op_parser_factory.h"
 #include "graph/operator_reg.h"
+#include "graph/utils/oper_utils.h"
 #include "external/graph/types.h"
 #include "register/op_registry.h"
 #include "parser/common/register_tbe.h"
@@ -130,7 +131,7 @@ TEST_F(UtestOnnxParser, onnx_parser_user_output_with_name_and_index) {
   ge::Graph graph;
   auto ret = ge::aclgrphParseONNX(model_file.c_str(), parser_params, graph);
   ASSERT_EQ(ret, GRAPH_SUCCESS);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   auto output_nodes_info = compute_graph->GetGraphOutNodesInfo();
   ASSERT_EQ(output_nodes_info.size(), 1);
   EXPECT_EQ((output_nodes_info.at(0).first->GetName()), "Conv_0");
@@ -149,7 +150,7 @@ TEST_F(UtestOnnxParser, onnx_parser_user_output_with_tensor) {
   ge::Graph graph;
   auto ret = ge::aclgrphParseONNX(model_file.c_str(), parser_params, graph);
   ASSERT_EQ(ret, GRAPH_SUCCESS);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   auto output_nodes_info = compute_graph->GetGraphOutNodesInfo();
   ASSERT_EQ(output_nodes_info.size(), 1);
   EXPECT_EQ((output_nodes_info.at(0).first->GetName()), "Conv_0");
@@ -167,7 +168,7 @@ TEST_F(UtestOnnxParser, onnx_parser_user_output_with_default) {
   ge::Graph graph;
   auto ret = ge::aclgrphParseONNX(model_file.c_str(), parser_params, graph);
   ASSERT_EQ(ret, GRAPH_SUCCESS);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   auto output_nodes_info = compute_graph->GetGraphOutNodesInfo();
   ASSERT_EQ(output_nodes_info.size(), 1);
   EXPECT_EQ((output_nodes_info.at(0).first->GetName()), "Conv_0");
diff --git a/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc b/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc
index c852aad..30e60bc 100644
--- a/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc
+++ b/tests/ut/parser/testcase/tensorflow_parser_testcase/tensorflow_parser_unittest.cc
@@ -22,6 +22,7 @@
 #include "parser/tensorflow/tensorflow_parser.h"
 #include "framework/omg/parser/parser_factory.h"
 #include "graph/operator_reg.h"
+#include "graph/utils/oper_utils.h"
 #include "external/graph/types.h"
 #include "register/op_registry.h"
 #include "external/register/register.h"
@@ -1038,7 +1039,7 @@ TEST_F(UtestTensorflowParser, tensorflow_parser_success) {
   ge::Graph graph;
   auto ret = ge::aclgrphParseTensorFlow(model_file.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   auto output_nodes_info = compute_graph->GetGraphOutNodesInfo();
   ASSERT_EQ(output_nodes_info.size(), 1);
   EXPECT_EQ((output_nodes_info.at(0).first->GetName()), "add_test_1");
@@ -1190,7 +1191,7 @@ TEST_F(UtestTensorflowParser, tensorflow_parser_with_external_graph) {
   // 3. Serialize ONNX graph to string
   // 3.1 normal
   ge::Model model("model", "");
-  model.SetGraph(GraphUtils::CreateGraphFromComputeGraph(sub_graph));
+  model.SetGraph(sub_graph);
   Buffer buffer;
   graphStatus save_ret = model.Save(buffer, false);
   ASSERT_EQ(save_ret, GRAPH_SUCCESS);
@@ -1198,7 +1199,7 @@ TEST_F(UtestTensorflowParser, tensorflow_parser_with_external_graph) {
   // model will failed
   input1->GetOpDesc()->DelAttr(ATTR_NAME_INDEX);
   ge::Model model_will_fail("model_will_fail", "");
-  model_will_fail.SetGraph(GraphUtils::CreateGraphFromComputeGraph(sub_graph));
+  model_will_fail.SetGraph(sub_graph);
   Buffer buffer_fail;
   save_ret = model_will_fail.Save(buffer_fail, false);
   ASSERT_EQ(save_ret, GRAPH_SUCCESS);
@@ -1305,7 +1306,7 @@ TEST_F(UtestTensorflowParser, tensorflow_parserfrommemory_failed)
   modelFile = caseDir + "/tensorflow_model/tf_add.pb";
   parser_params = {{AscendString(ge::ir_option::OUT_NODES), AscendString("Placeholder:0;Placeholder_1:0")}};
   ret = ge::aclgrphParseTensorFlow(modelFile.c_str(), parser_params, graph);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   ret = modelParser.ParseFromMemory(data, size, compute_graph);
   EXPECT_NE(ret, SUCCESS);
 }
@@ -1322,7 +1323,7 @@ TEST_F(UtestTensorflowParser, modelparser_parsefrommemory_success)
   Status ret = ge::aclgrphParseTensorFlow(modelFile.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
 
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   TensorFlowModelParser modelParser;
   MemBuffer* memBuffer = MemBufferFromFile(tmp_tf_pb_model);
   PreChecker::Instance().HasError() == false;
@@ -1343,7 +1344,7 @@ TEST_F(UtestTensorflowParser, weightsparser_parsefrommemory_success)
   Status ret = ge::aclgrphParseTensorFlow(modelFile.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
 
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   auto weights_parser = domi::WeightsParserFactory::Instance()->CreateWeightsParser(domi::TENSORFLOW);
   MemBuffer* memBuffer = MemBufferFromFile(tmp_tf_pb_model);
   ret = weights_parser->ParseFromMemory((char*)memBuffer->data, memBuffer->size, compute_graph);
@@ -1372,7 +1373,7 @@ TEST_F(UtestTensorflowParser, parser_ParseProtoWithSubgraphV2)
   Status ret = ge::aclgrphParseTensorFlow(root_proto.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
 
-  ge::ComputeGraphPtr root_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr root_graph = ge::OperUtils::GetComputeGraph(graph);
   domi::GetGraphCallbackV2 callback(&getGraphCallbackV2);
   TensorFlowModelParser parser;
   ret = parser.ParseProtoWithSubgraph(root_proto, callback, root_graph);
@@ -1403,7 +1404,7 @@ TEST_F(UtestTensorflowParser, tensorflow_ParserProto_failed)
   Status ret = ge::aclgrphParseTensorFlow(root_proto.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
 
-  ge::ComputeGraphPtr root_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr root_graph = ge::OperUtils::GetComputeGraph(graph);
   TensorFlowModelParser tensorflow_parser;
   ret = tensorflow_parser.ParseProto(reinterpret_cast<google::protobuf::Message *>(&graphDef), root_graph);
   EXPECT_EQ(PARAM_INVALID, ret);
@@ -1442,7 +1443,7 @@ TEST_F(UtestTensorflowParser, tensorflow_parserAllGraph_failed)
   Status ret = ge::aclgrphParseTensorFlow(root_proto.c_str(), parser_params, graph);
   ASSERT_EQ(ret, SUCCESS);
 
-  ge::ComputeGraphPtr root_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr root_graph = ge::OperUtils::GetComputeGraph(graph);
   TensorFlowModelParser tensorflow_parser;
   ret = tensorflow_parser.ParseAllGraph(reinterpret_cast<google::protobuf::Message *>(&graphDef), root_graph);
   ASSERT_NE(ret, SUCCESS);
@@ -1694,7 +1695,7 @@ TEST_F(UtestTensorflowParser, parse_AddScopeInnerNode)
   std::string modelFile = caseDir + "/tensorflow_model/tf_add.pb";
   std::string op_name = "ge_ascend_irgraph";
   ge::Graph graph(op_name);
-  ge::ComputeGraphPtr compute_graph = ge::GraphUtils::GetComputeGraph(graph);
+  ge::ComputeGraphPtr compute_graph = ge::OperUtils::GetComputeGraph(graph);
   std::map<ge::AscendString, ge::AscendString> parser_params = {
     {AscendString(ge::ir_option::OUT_NODES), AscendString("Placeholder:0;Placeholder_1:0")}};
   Status ret = ge::aclgrphParseTensorFlow(modelFile.c_str(), parser_params, graph);