diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.cc
index 8a1f2d4b38a6d0e16db9c6d6d10ef736fe235be8..96fb0681c8afa86b54eb28ae3003068d26698d90 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_pooling_parser.cc
@@ -70,6 +70,7 @@ STATUS TflitePoolingParser::Parse(const std::unique_ptr<tflite::OperatorT> &tfli
 
   attr->global = false;
   attr->roundMode = schema::RoundMode_FLOOR;
+  attr->activationType = GetActivationFunctionType(tflite_attr->fused_activation_function);
 
   // calculate pad params
   auto data_index = tflite_op->inputs[0];
diff --git a/mindspore/lite/tools/optimizer/common/gllo_utils.cc b/mindspore/lite/tools/optimizer/common/gllo_utils.cc
index e444b6dc4bb0881d30681579383ae8a77e5991f3..64e638038916947ea70c8c383ce74497eb009ab9 100644
--- a/mindspore/lite/tools/optimizer/common/gllo_utils.cc
+++ b/mindspore/lite/tools/optimizer/common/gllo_utils.cc
@@ -346,6 +346,14 @@ bool IsConvNode(const BaseRef &n) {
   return false;
 }
 
+bool IsPoolingNode(const BaseRef &n) {
+  if (utils::isa<CNodePtr>(n) || utils::isa<ValueNodePtr>(n)) {
+    auto type = opt::GetCNodeType(n);
+    return type == schema::PrimitiveType_Pooling;
+  }
+  return false;
+}
+
 bool CheckIsAllInputsParam(const AnfNodePtr &node) {
   if (utils::isa<CNode>(node)) {
     auto cnode = node->cast<CNodePtr>();
diff --git a/mindspore/lite/tools/optimizer/common/gllo_utils.h b/mindspore/lite/tools/optimizer/common/gllo_utils.h
index 2299779b394bae4752a34c82103346ef56a3796c..066882caca05030b068f7cec81eba53cf2f58f29 100644
--- a/mindspore/lite/tools/optimizer/common/gllo_utils.h
+++ b/mindspore/lite/tools/optimizer/common/gllo_utils.h
@@ -56,6 +56,8 @@ bool IsParamNode(const BaseRef &n);
 
 bool IsConvNode(const BaseRef &n);
 
+bool IsPoolingNode(const BaseRef &n);
+
 bool CheckIsAllInputsParam(const AnfNodePtr &node);
 
 size_t GetOutputTensorNum(const AnfNodePtr &node);
diff --git a/mindspore/lite/tools/optimizer/fusion/conv_activation_fusion.cc b/mindspore/lite/tools/optimizer/fusion/conv_activation_fusion.cc
index c779465eeb668ca3c89942e0fa202baf3d0172bc..c89c25f0bc21b6df29b64a6953048825b444b7a5 100644
--- a/mindspore/lite/tools/optimizer/fusion/conv_activation_fusion.cc
+++ b/mindspore/lite/tools/optimizer/fusion/conv_activation_fusion.cc
@@ -6,7 +6,7 @@
  * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
- *conv_activation_fusion.h
+ *
  * 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.
diff --git a/mindspore/lite/tools/optimizer/fusion/conv_activation_fusion.h b/mindspore/lite/tools/optimizer/fusion/conv_activation_fusion.h
index 9436240bf1ce9c2b616b2a6955e361b2e79c3282..af7d900bec508b295852f413aba41738bc4a7e05 100644
--- a/mindspore/lite/tools/optimizer/fusion/conv_activation_fusion.h
+++ b/mindspore/lite/tools/optimizer/fusion/conv_activation_fusion.h
@@ -6,7 +6,7 @@
  * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
- *conv_activation_fusion.h
+ *
  * 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.
diff --git a/mindspore/lite/tools/optimizer/fusion/pooling_activation_fusion.cc b/mindspore/lite/tools/optimizer/fusion/pooling_activation_fusion.cc
new file mode 100644
index 0000000000000000000000000000000000000000..acd3579ea2588b8b07ced52db717e2cb220ea9da
--- /dev/null
+++ b/mindspore/lite/tools/optimizer/fusion/pooling_activation_fusion.cc
@@ -0,0 +1,79 @@
+/**
+ * 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 "tools/optimizer/fusion/pooling_activation_fusion.h"
+#include <memory>
+#include "src/ops/primitive_c.h"
+#include "src/ops/pooling.h"
+#include "src/ops/activation.h"
+#include "schema/inner/model_generated.h"
+#include "tools/optimizer/common/gllo_utils.h"
+
+namespace mindspore::opt {
+namespace {
+constexpr size_t kActivationInputsLength = 2;
+}
+const BaseRef PoolingActivationFusion::DefinePattern() const {
+  auto pooling_var = std::make_shared<CondVar>(IsPoolingNode)();
+  auto prim = new schema::PrimitiveT();
+  if (prim == nullptr) {
+    MS_LOG(ERROR) << "new primitiveT failed";
+    return nullptr;
+  }
+  prim->value.type = primitive_type;
+  auto prim_value = std::make_shared<lite::PrimitiveC>(prim);
+
+  return VectorRef({prim_value, pooling_var});
+}
+
+const AnfNodePtr PoolingActivationFusion::Process(const FuncGraphPtr &func_graph, const AnfNodePtr &node,
+                                                  const EquivPtr &) const {
+  MS_LOG(DEBUG) << "pooling activation pass process:" << schema::EnumNamesPrimitiveType()[primitive_type];
+  CheckIfFuncGraphIsNull(func_graph);
+
+  CheckIfAnfNodeIsNull(node);
+  auto act_node = node->cast<CNodePtr>();
+  CheckIfCNodeIsNull(act_node);
+  CheckInputSize(act_node, kActivationInputsLength);
+
+  auto primitivec = GetValueNode<std::shared_ptr<lite::PrimitiveC>>(act_node->input(0));
+  MS_ASSERT(utils::isa<std::shared_ptr<mindspore::lite::Activation>>(primitivec));
+  auto act_primitivec = utils::cast<std::shared_ptr<mindspore::lite::Activation>>(primitivec);
+  MS_ASSERT(act_primitivec != nullptr);
+  if (act_primitivec->GetType() != activation_type) {
+    return node;
+  }
+  AnfNodePtr pre_node = act_node->input(1);
+  CheckIfAnfNodeIsNull(pre_node);
+  if (pre_node != nullptr && pre_node->isa<CNode>()) {
+    if (IsMultiOutputTensors(func_graph, pre_node)) {
+      return node;
+    }
+    auto pooling_node = pre_node->cast<CNodePtr>();
+    auto primitive_c = GetValueNode<std::shared_ptr<lite::PrimitiveC>>(pooling_node->input(0));
+    MS_ASSERT(primitive_c);
+
+    MS_ASSERT(utils::isa<std::shared_ptr<mindspore::lite::Pooling>>(primitive_c));
+    auto primc = utils::cast<std::shared_ptr<mindspore::lite::Pooling>>(primitive_c);
+    MS_ASSERT(primc != nullptr);
+    if (primc->GetActivationType() == schema::ActivationType_NO_ACTIVATION) {
+      primc->SetActivationType(activation_type);
+      return pre_node;
+    }
+  }
+  return node;
+}
+}  // namespace mindspore::opt
diff --git a/mindspore/lite/tools/optimizer/fusion/pooling_activation_fusion.h b/mindspore/lite/tools/optimizer/fusion/pooling_activation_fusion.h
new file mode 100644
index 0000000000000000000000000000000000000000..b01206ea82845248926b280e4ac0ae1158d98eec
--- /dev/null
+++ b/mindspore/lite/tools/optimizer/fusion/pooling_activation_fusion.h
@@ -0,0 +1,40 @@
+/**
+ * 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_LITE_SRC_PASS_FUSION_POOLING_ACTIVATION_FUSION_H_
+#define MINDSPORE_LITE_SRC_PASS_FUSION_POOLING_ACTIVATION_FUSION_H_
+
+#include <string>
+#include "backend/optimizer/common/optimizer.h"
+#include "schema/inner/model_generated.h"
+
+namespace mindspore {
+namespace opt {
+class PoolingActivationFusion : public PatternProcessPass {
+ public:
+  explicit PoolingAActivationFusion(bool multigraph = true, const std::string &name = "pooling_activation_fusion",
+                                    schema::PrimitiveType primitive = schema::PrimitiveType_LeakyReLU,
+                                    schema::ActivationType activation = schema::ActivationType_LEAKY_RELU)
+    : PatternProcessPass(name, multigraph), primitive_type(primitive), activation_type(activation) {}
+  ~PoolingAActivationFusion() override = default;
+  const BaseRef DefinePattern() const override;
+  const AnfNodePtr Process(const FuncGraphPtr &, const AnfNodePtr &, const EquivPtr &) const override;
+  schema::PrimitiveType primitive_type;
+  schema::ActivationType activation_type;
+};
+}  // namespace opt
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_SRC_PASS_FUSION_POOLING_ACTIVATION_FUSION_H_