diff --git a/paddle/fluid/operators/fusion_seq_concat_fc_op.cc b/paddle/fluid/operators/fusion_seqexpand_concat_fc_op.cc
similarity index 85%
rename from paddle/fluid/operators/fusion_seq_concat_fc_op.cc
rename to paddle/fluid/operators/fusion_seqexpand_concat_fc_op.cc
index f61c822abf642c7975b3b3b53eb91c6bfec03fa2..641851585d412f59c5adc905f82f09c8868b4005 100644
--- a/paddle/fluid/operators/fusion_seq_concat_fc_op.cc
+++ b/paddle/fluid/operators/fusion_seqexpand_concat_fc_op.cc
@@ -12,7 +12,7 @@ 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 "paddle/fluid/operators/fusion_seq_concat_fc_op.h"
+#include "paddle/fluid/operators/fusion_seqexpand_concat_fc_op.h"
 #include <string>
 #include "paddle/fluid/operators/math/blas.h"
 #include "paddle/fluid/operators/math/cpu_vec.h"
@@ -22,15 +22,20 @@ limitations under the License. */
 namespace paddle {
 namespace operators {
 
-void FusionSeqConcatFCOp::InferShape(framework::InferShapeContext* ctx) const {
-  PADDLE_ENFORCE_GT(ctx->Inputs("X").size(), 1UL,
-                    "Inputs(X) of FusionSeqConcatFCOp should larger than 1.");
-  PADDLE_ENFORCE(ctx->HasInput("FCWeight"),
-                 "Input(FCWeight) of FusionSeqConcatFC should not be null.");
-  PADDLE_ENFORCE(ctx->HasOutput("Out"),
-                 "Output(Out) of FusionSeqConcatFC should not be null.");
-  PADDLE_ENFORCE(ctx->HasOutput("FCOut"),
-                 "Output(FCOut) of FusionSeqConcatFC should not be null.");
+void FusionSeqExpandConcatFCOp::InferShape(
+    framework::InferShapeContext* ctx) const {
+  PADDLE_ENFORCE_GT(
+      ctx->Inputs("X").size(), 1UL,
+      "Inputs(X) of FusionSeqExpandConcatFCOp should larger than 1.");
+  PADDLE_ENFORCE(
+      ctx->HasInput("FCWeight"),
+      "Input(FCWeight) of FusionSeqExpandConcatFCOp should not be null.");
+  PADDLE_ENFORCE(
+      ctx->HasOutput("Out"),
+      "Output(Out) of FusionSeqExpandConcatFCOp should not be null.");
+  PADDLE_ENFORCE(
+      ctx->HasOutput("FCOut"),
+      "Output(FCOut) of FusionSeqExpandConcatFCOp should not be null.");
 
   auto ins_dims = ctx->GetInputsDim("X");
   auto w_dims = ctx->GetInputDim("FCWeight");  // (M0+M1+M2+..) x D
@@ -55,14 +60,14 @@ void FusionSeqConcatFCOp::InferShape(framework::InferShapeContext* ctx) const {
   ctx->ShareLoD("X", "Out", 0);
 }
 
-framework::OpKernelType FusionSeqConcatFCOp::GetExpectedKernelType(
+framework::OpKernelType FusionSeqExpandConcatFCOp::GetExpectedKernelType(
     const framework::ExecutionContext& ctx) const {
   return framework::OpKernelType(
       framework::ToDataType(ctx.Input<framework::LoDTensor>("X")->type()),
       ctx.device_context());
 }
 
-void FusionSeqConcatFCOpMaker::Make() {
+void FusionSeqExpandConcatFCOpMaker::Make() {
   AddInput("X",
            "(LoDTensor) input LodDTensors, the first one must be have ref lod "
            "for sequence expand, and the rest input should have same lod.")
@@ -100,7 +105,7 @@ The concat axis should be 1.
 }
 
 template <typename T>
-class FusionSeqConcatFCKernel : public framework::OpKernel<T> {
+class FusionSeqExpandConcatFCOpKernel : public framework::OpKernel<T> {
  public:
   void Compute(const framework::ExecutionContext& ctx) const override {
     using DeviceContext = paddle::platform::CPUDeviceContext;
@@ -188,10 +193,10 @@ class FusionSeqConcatFCKernel : public framework::OpKernel<T> {
 }  // namespace paddle
 
 namespace ops = paddle::operators;
-REGISTER_OPERATOR(fusion_seq_concat_fc, ops::FusionSeqConcatFCOp,
-                  ops::FusionSeqConcatFCOpMaker,
+REGISTER_OPERATOR(fusion_seqexpand_concat_fc, ops::FusionSeqExpandConcatFCOp,
+                  ops::FusionSeqExpandConcatFCOpMaker,
                   paddle::framework::DefaultGradOpDescMaker<true>);
 
-REGISTER_OP_CPU_KERNEL(fusion_seq_concat_fc,
-                       ops::FusionSeqConcatFCKernel<float>,
-                       ops::FusionSeqConcatFCKernel<double>);
+REGISTER_OP_CPU_KERNEL(fusion_seqexpand_concat_fc,
+                       ops::FusionSeqExpandConcatFCOpKernel<float>,
+                       ops::FusionSeqExpandConcatFCOpKernel<double>);
diff --git a/paddle/fluid/operators/fusion_seq_concat_fc_op.h b/paddle/fluid/operators/fusion_seqexpand_concat_fc_op.h
similarity index 82%
rename from paddle/fluid/operators/fusion_seq_concat_fc_op.h
rename to paddle/fluid/operators/fusion_seqexpand_concat_fc_op.h
index 66ac48f4c1cb8bc063f63aa1f9cf23ea5bb0f7b5..f78e820f603354944bd7fc23aff2d1d72e5ba750 100644
--- a/paddle/fluid/operators/fusion_seq_concat_fc_op.h
+++ b/paddle/fluid/operators/fusion_seqexpand_concat_fc_op.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
+/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@ namespace operators {
 using LoDTensor = framework::LoDTensor;
 using Tensor = framework::Tensor;
 
-class FusionSeqConcatFCOp : public framework::OperatorWithKernel {
+class FusionSeqExpandConcatFCOp : public framework::OperatorWithKernel {
  public:
   using framework::OperatorWithKernel::OperatorWithKernel;
 
@@ -32,7 +32,8 @@ class FusionSeqConcatFCOp : public framework::OperatorWithKernel {
       const framework::ExecutionContext& ctx) const override;
 };
 
-class FusionSeqConcatFCOpMaker : public framework::OpProtoAndCheckerMaker {
+class FusionSeqExpandConcatFCOpMaker
+    : public framework::OpProtoAndCheckerMaker {
  public:
   void Make() override;
 };
diff --git a/python/paddle/fluid/tests/unittests/test_fusion_seq_concat_fc_op.py b/python/paddle/fluid/tests/unittests/test_fusion_seqexpand_concat_fc_op.py
similarity index 98%
rename from python/paddle/fluid/tests/unittests/test_fusion_seq_concat_fc_op.py
rename to python/paddle/fluid/tests/unittests/test_fusion_seqexpand_concat_fc_op.py
index a389b605f0ad71062899fc7f52f350572acbde26..7baf39eb3f4ea1790f0b7bad6bac758b2585ed89 100644
--- a/python/paddle/fluid/tests/unittests/test_fusion_seq_concat_fc_op.py
+++ b/python/paddle/fluid/tests/unittests/test_fusion_seqexpand_concat_fc_op.py
@@ -51,7 +51,7 @@ class TestFusionSeqExpandConcatFCOp(OpTest):
         pass
 
     def setUp(self):
-        self.op_type = 'fusion_seq_concat_fc'
+        self.op_type = 'fusion_seqexpand_concat_fc'
         self.lod = [[3, 5, 8, 2]]
         self.inputs_M = [15, 10, 10]
         self.D = 20