diff --git a/mindspore/ccsrc/backend/optimizer/somas/somas.cc b/mindspore/ccsrc/backend/optimizer/somas/somas.cc
index 64c9c62ed4..9e84fa5aae 100644
--- a/mindspore/ccsrc/backend/optimizer/somas/somas.cc
+++ b/mindspore/ccsrc/backend/optimizer/somas/somas.cc
@@ -483,12 +483,13 @@ void Somas::InitSomasOutputAndWorkspaceTensors(const session::KernelGraph *graph
 void Somas::InitSomasInputTensors(const session::KernelGraph *graph) {
   MS_EXCEPTION_IF_NULL(graph);
   bool is_all_nop_node = opt::IsAllNopNode(graph);
+  static const auto enable_fusion_clear = (common::GetEnv("ENV_FUSION_CLEAR") == "1");
   auto kernel_cnodes = graph->execution_order();
   for (const auto &kernel : kernel_cnodes) {
     if (AnfAlgo::GetCNodeName(kernel) != kAtomicAddrCleanOpName) {
       InitCommonNodeInputs(is_all_nop_node, kernel);
     } else {
-      InitAtomicCleanInputs(is_all_nop_node, kernel);
+      InitAtomicCleanInputs(enable_fusion_clear, kernel);
     }
   }
 }
@@ -561,7 +562,7 @@ void Somas::InitCommonNodeInputs(bool is_all_nop_node, const CNodePtr &kernel) {
   }
 }
 
-void Somas::InitAtomicCleanInputs(bool is_all_nop_node, const CNodePtr &kernel) {
+void Somas::InitAtomicCleanInputs(bool enable_fusion_clear, const CNodePtr &kernel) {
   auto node = nodes_map_[kernel.get()];
   MS_EXCEPTION_IF_NULL(node);
   auto stream = node->GetStream();
@@ -588,9 +589,11 @@ void Somas::InitAtomicCleanInputs(bool is_all_nop_node, const CNodePtr &kernel)
         auto input_somas_tensor = pre_somas_node->output_tensors_[index];
         MS_EXCEPTION_IF_NULL(input_somas_tensor);
         node->input_tensors_.push_back(input_somas_tensor);
-        input_somas_tensor->lifelong_value_ = kLifeLongGraphAll;
-        MS_LOG(INFO) << "Set " << node->scope_full_name_ << "'s Input node " << pre_somas_node->scope_full_name_
-                     << " 's output" << index << " to lifelong";
+        if (enable_fusion_clear) {
+          input_somas_tensor->lifelong_value_ = kLifeLongGraphAll;
+          MS_LOG(INFO) << "Set " << node->scope_full_name_ << "'s Input node " << pre_somas_node->scope_full_name_
+                       << " 's output" << index << " to lifelong";
+        }
       }
     }
     // set clean workspace tensors
@@ -604,9 +607,11 @@ void Somas::InitAtomicCleanInputs(bool is_all_nop_node, const CNodePtr &kernel)
         auto input_somas_tensor = pre_somas_node->workspace_tensors_[index];
         MS_EXCEPTION_IF_NULL(input_somas_tensor);
         node->input_tensors_.push_back(input_somas_tensor);
-        input_somas_tensor->lifelong_value_ = kLifeLongGraphAll;
-        MS_LOG(INFO) << "Set " << node->scope_full_name_ << "'s Input node " << pre_somas_node->scope_full_name_
-                     << " 's workspace" << index << " to lifelong";
+        if (enable_fusion_clear) {
+          input_somas_tensor->lifelong_value_ = kLifeLongGraphAll;
+          MS_LOG(INFO) << "Set " << node->scope_full_name_ << "'s Input node " << pre_somas_node->scope_full_name_
+                       << " 's workspace" << index << " to lifelong";
+        }
       }
     }
   }