diff --git a/ge/graph/passes/mark_agnostic_pass.cc b/ge/graph/passes/mark_agnostic_pass.cc
index 77fa64fb..00a3dad9 100644
--- a/ge/graph/passes/mark_agnostic_pass.cc
+++ b/ge/graph/passes/mark_agnostic_pass.cc
@@ -21,7 +21,7 @@ namespace ge {
 Status MarkAgnosticPass::Run(ComputeGraphPtr graph) {
   for (const auto &node : graph->GetDirectNode()) {
     auto node_type = NodeUtils::GetNodeType(*node);
-    if (node_type == SWITCH || node_type == REFSWITCH || node_type == SWITCHN) {
+    if (node_type == SWITCH || node_type == SWITCHN) {
       GELOGD("Mark format agnostic and continuous for switch node %s", node->GetName().c_str());
       const OpDescPtr op_desc = node->GetOpDesc();
       const GeTensorDescPtr op_tensor = op_desc->MutableInputDesc(0);
@@ -37,10 +37,15 @@ Status MarkAgnosticPass::Run(ComputeGraphPtr graph) {
     if (node_type == IDENTITY) {
       GELOGD("Mark format agnostic for identity node %s", node->GetName().c_str());
       AttrUtils::SetInt(node->GetOpDesc(), "_format_agnostic", 1);
+      continue;
+    }
+    if (node_type == REFMERGE || node_type == REFSWITCH) {
+      GELOGD("Mark format agnostic for regmerge and refswitch node %s", node->GetName().c_str());
+      AttrUtils::SetInt(node->GetOpDesc(), "_format_agnostic", 1);
       AttrUtils::SetListInt(node->GetOpDesc(), "_format_agnostic_except_input", std::vector<int64_t>({1}));
       continue;
     }
-    if (node_type == MERGE || node_type == REFMERGE) {
+    if (node_type == MERGE) {
       GELOGD("Mark format agnostic and continuous for merge node %s", node->GetName().c_str());
       const OpDescPtr op_desc = node->GetOpDesc();
       const GeTensorDescPtr op_tensor = op_desc->MutableOutputDesc(0);
diff --git a/ge/graph/preprocess/graph_preprocess.cc b/ge/graph/preprocess/graph_preprocess.cc
index f90c0d80..98371426 100644
--- a/ge/graph/preprocess/graph_preprocess.cc
+++ b/ge/graph/preprocess/graph_preprocess.cc
@@ -117,6 +117,7 @@
 #include "graph/passes/variable_op_pass.h"
 #include "graph/passes/variable_prepare_op_pass.h"
 #include "graph/passes/variable_ref_delete_op_pass.h"
+#include "graph/passes/mark_agnostic_pass.h"
 
 
 namespace ge {
@@ -1626,6 +1627,7 @@ Status GraphPrepare::PrepareOptimize() {
   try {
     (void)original_graph_passes.AddPass("PrepareOptimize::ShapeOperateOpRemovePass", new ShapeOperateOpRemovePass);
     (void)original_graph_passes.AddPass("PrepareOptimize::ReplaceTransShapePass", new ReplaceTransShapePass);
+    (void)original_graph_passes.AddPass("PrepareOptimize::MarkAgnosticPass", new MarkAgnosticPass);
   } catch (std::bad_alloc &e) {
     GELOGE(INTERNAL_ERROR, "Add pass failed, bad memory allocation occurs.");
     return INTERNAL_ERROR;
diff --git a/ge/graph/preprocess/insert_op/util_insert_aipp_op.cc b/ge/graph/preprocess/insert_op/util_insert_aipp_op.cc
index 66235d52..a1eb104d 100755
--- a/ge/graph/preprocess/insert_op/util_insert_aipp_op.cc
+++ b/ge/graph/preprocess/insert_op/util_insert_aipp_op.cc
@@ -40,8 +40,6 @@ using domi::AippOpParams;
 namespace ge {
 namespace {
 const char *const kMbatchSwitchnName = "mbatch-switch-name";
-const int64_t kFormatAgnosticSwitch = 1;
-const int64_t kFormatDependInputIndex = 1;
 }  // namespace
 static void ConvertShape2Nhwc(Format &format, vector<int64_t> &shape_vec) {
   if ((format == FORMAT_NHWC) || (shape_vec.size() != static_cast<size_t>(NORMAL_TENSOR_SIZE))) {
@@ -269,23 +267,6 @@ Status InsertNewOpUtil::GetAippParams(const std::unique_ptr<domi::AippOpParams>
   return SUCCESS;
 }
 
-Status InsertNewOpUtil::AddFormatAgnosticAttrToSwitchn(const NodePtr &aipp_node) {
-  GE_CHECK_NOTNULL(aipp_node);
-  auto next_nodes = aipp_node->GetOutDataNodes();
-  for (const auto next_node : next_nodes) {
-    GE_CHECK_NOTNULL(next_node);
-    auto op_desc = next_node->GetOpDesc();
-    GE_CHECK_NOTNULL(op_desc);
-    if (op_desc->GetType() == SWITCHN) {
-      GELOGI("Find switchn node [%s] after aipp [%s]", op_desc->GetName().c_str(), aipp_node->GetName().c_str());
-      (void)AttrUtils::SetInt(op_desc, "_format_agnostic", kFormatAgnosticSwitch);
-      (void)AttrUtils::SetListInt(op_desc, "_format_agnostic_except_input",
-                                  std::vector<int64_t>({kFormatDependInputIndex}));
-    }
-  }
-  return SUCCESS;
-}
-
 Status InsertNewOpUtil::UpdateDataNodeByAipp(const ComputeGraphPtr &graph) {
   std::map<std::string, NodePtr> switchn_names_to_data;
   std::set<NodePtr> updated_switchn;
@@ -300,9 +281,6 @@ Status InsertNewOpUtil::UpdateDataNodeByAipp(const ComputeGraphPtr &graph) {
     }
     if (node->GetType() == AIPP) {
       GE_RETURN_IF_ERROR(UpdatePrevNodeByAipp(node, updated_switchn));
-      // In dynamic batch/HW and dynamic aipp scend, switchn should be set format agnostic, otherwise transdata maybe
-      // inserted between aipp and switchn which introduce performance and memory increase problem.
-      GE_RETURN_IF_ERROR(AddFormatAgnosticAttrToSwitchn(node));
     }
     if (node->GetType() == CASE && node->GetOpDesc()->HasAttr(ATTR_NAME_BATCH_NUM)) {
       multbatch_case = node;
diff --git a/ge/graph/preprocess/insert_op/util_insert_aipp_op.h b/ge/graph/preprocess/insert_op/util_insert_aipp_op.h
index 52e7ed5d..d917b74d 100644
--- a/ge/graph/preprocess/insert_op/util_insert_aipp_op.h
+++ b/ge/graph/preprocess/insert_op/util_insert_aipp_op.h
@@ -68,7 +68,6 @@ class InsertNewOpUtil {
   void UpdateMultiBatchInputDims(const OpDescPtr &data_opdesc, Format &old_format);
   Status UpdatePrevNodeByAipp(NodePtr &node, std::set<NodePtr> &switchns);
   Status UpdateDataBySwitchN(const NodePtr &switchn, const NodePtr &data);
-  Status AddFormatAgnosticAttrToSwitchn(const NodePtr &aipp_node);
   Status GetDataRelatedNode(NodePtr &node, std::map<NodePtr, std::set<NodePtr>> &data_next_node_map);
   Status GetAllAipps(const NodePtr &data_node, const NodePtr &node, std::vector<NodePtr> &aipps);
   Status GetInputOutputInfo(NodePtr &data_node, NodePtr &aipp_node, std::string &input, std::string &output);