diff --git a/lite/kernels/x86/CMakeLists.txt b/lite/kernels/x86/CMakeLists.txt
index c8da4fc6698df2ce0f5e009070ef61f351b28f5c..1de257a603af016b899a07d2022d81422f64e8dd 100644
--- a/lite/kernels/x86/CMakeLists.txt
+++ b/lite/kernels/x86/CMakeLists.txt
@@ -9,6 +9,7 @@ add_kernel(activation_compute_x86 X86 basic SRCS activation_compute.cc DEPS ${li
 add_kernel(scale_compute_x86 X86 basic SRCS scale_compute.cc DEPS ${lite_kernel_deps})
 add_kernel(slice_compute_x86 X86 basic SRCS slice_compute.cc DEPS ${lite_kernel_deps})
 add_kernel(squeeze_compute_x86 X86 basic SRCS squeeze_compute.cc DEPS ${lite_kernel_deps})
+add_kernel(fill_constant_batch_size_like_compute_x86 X86 basic SRCS fill_constant_batch_size_like_compute.cc DEPS ${lite_kernel_deps} math_function)
 add_kernel(reshape_compute_x86 X86 basic SRCS reshape_compute.cc DEPS ${lite_kernel_deps} reshape_op)
 # lite_cc_library(elementwise_compute_x86 SRCS elementwise_compute.cc DEPS ${lite_kernel_deps} elementwise_sub_op elementwise_add_op)
 # lite_cc_library(softmax_compute_x86 SRCS softmax_compute.cc DEPS ${lite_kernel_deps} softmax)
@@ -45,6 +46,7 @@ add_kernel(matmul_compute_x86 X86 basic SRCS matmul_compute.cc DEPS ${lite_kerne
 lite_cc_test(test_mul_compute_x86 SRCS mul_compute_test.cc DEPS mul_compute_x86)
 lite_cc_test(test_slice_compute_x86 SRCS slice_compute_test.cc DEPS slice_compute_x86)
 lite_cc_test(test_squeeze_compute_x86 SRCS squeeze_compute_test.cc DEPS squeeze_compute_x86)
+lite_cc_test(test_fill_constant_batch_size_like_compute_x86 SRCS fill_constant_batch_size_like_compute_test.cc DEPS fill_constant_batch_size_like_compute_x86)
 lite_cc_test(test_reshape_compute_x86 SRCS reshape_compute_test.cc DEPS reshape_compute_x86)
 lite_cc_test(test_concat_compute_x86 SRCS concat_compute_test.cc DEPS concat_compute_x86)
 lite_cc_test(test_sequence_pool_compute_x86 SRCS sequence_pool_compute_test.cc DEPS sequence_pool_compute_x86)
diff --git a/lite/kernels/x86/fill_constant_batch_size_like_compute.cc b/lite/kernels/x86/fill_constant_batch_size_like_compute.cc
new file mode 100644
index 0000000000000000000000000000000000000000..03f72e3056094ea1262a90057de1486dd349d554
--- /dev/null
+++ b/lite/kernels/x86/fill_constant_batch_size_like_compute.cc
@@ -0,0 +1,26 @@
+// Copyright (c) 2019 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.
+// 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 "lite/kernels/x86/fill_constant_batch_size_like_compute.h"
+
+REGISTER_LITE_KERNEL(
+    fill_constant_batch_size_like,
+    kX86,
+    kFloat,
+    kNCHW,
+    paddle::lite::kernels::x86::FillConstantBatchSizeLikeCompute<float>,
+    def)
+    .BindInput("X", {LiteType::GetTensorTy(TARGET(kX86))})
+    .BindOutput("Out", {LiteType::GetTensorTy(TARGET(kX86))})
+    .Finalize();
diff --git a/lite/kernels/x86/fill_constant_batch_size_like_compute.h b/lite/kernels/x86/fill_constant_batch_size_like_compute.h
new file mode 100644
index 0000000000000000000000000000000000000000..1f157a0db77dae8b6cb7eca936eb942517986331
--- /dev/null
+++ b/lite/kernels/x86/fill_constant_batch_size_like_compute.h
@@ -0,0 +1,57 @@
+// Copyright (c) 2019 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.
+// 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.
+
+#pragma once
+
+#include <Eigen/Core>
+#include "lite/backends/x86/math/blas.h"
+#include "lite/backends/x86/math/math_function.h"
+#include "lite/core/kernel.h"
+#include "lite/core/op_registry.h"
+#include "lite/core/types.h"
+namespace paddle {
+namespace lite {
+namespace kernels {
+namespace x86 {
+
+template <typename T>
+class FillConstantBatchSizeLikeCompute
+    : public KernelLite<TARGET(kX86), PRECISION(kFloat)> {
+ public:
+  using param_t = operators::FillConstantBatchSizeLikeParam;
+
+  void Run() override {
+    auto& param = *param_.get_mutable<param_t>();
+    auto* out = param.Out;
+    auto* in = param.Input;
+    if (in->lod().size() && param.input_dim_idx == 0) {
+      // set the correct batch size for the LoDTensor.
+      auto odims = out->dims();
+      int output_dim_idx = param.output_dim_idx;
+      odims[output_dim_idx] = static_cast<int>(in->lod().back().size()) - 1;
+    }
+    auto value = param.value;
+
+    paddle::lite::x86::math::SetConstant<TargetType::kX86, T> setter;
+    Context<TargetType::kX86> ctx;
+    setter(ctx, out, static_cast<T>(value));
+  }
+
+  virtual ~FillConstantBatchSizeLikeCompute() = default;
+};
+
+}  // namespace x86
+}  // namespace kernels
+}  // namespace lite
+}  // namespace paddle
diff --git a/lite/kernels/x86/fill_constant_batch_size_like_compute_test.cc b/lite/kernels/x86/fill_constant_batch_size_like_compute_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a071aec16dafeff294c097ffe57d64a983e0af4e
--- /dev/null
+++ b/lite/kernels/x86/fill_constant_batch_size_like_compute_test.cc
@@ -0,0 +1,80 @@
+// Copyright (c) 2019 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.
+// 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 "lite/kernels/x86/fill_constant_batch_size_like_compute.h"
+#include <gtest/gtest.h>
+#include <iostream>
+#include <memory>
+#include <utility>
+#include <vector>
+#include "lite/core/op_registry.h"
+namespace paddle {
+namespace lite {
+namespace kernels {
+namespace x86 {
+
+TEST(fill_constant_batch_size_like_x86, retrive_op) {
+  auto fill_constant_batch_size_like =
+      KernelRegistry::Global().Create<TARGET(kX86), PRECISION(kFloat)>(
+          "fill_constant_batch_size_like");
+  ASSERT_FALSE(fill_constant_batch_size_like.empty());
+  ASSERT_TRUE(fill_constant_batch_size_like.front());
+}
+
+TEST(fill_constant_batch_size_like_x86, init) {
+  lite::kernels::x86::FillConstantBatchSizeLikeCompute<float>
+      fill_constant_batch_size_like;
+  ASSERT_EQ(fill_constant_batch_size_like.precision(), PRECISION(kFloat));
+  ASSERT_EQ(fill_constant_batch_size_like.target(), TARGET(kX86));
+}
+
+TEST(fill_constant_batch_size_like_x86, run_test) {
+  lite::Tensor input;
+  lite::Tensor out;
+  std::vector<int64_t> input_shape{219, 232};
+  input.Resize(input_shape);
+  std::vector<int64_t> out_shape{219, 132, 7};
+
+  auto input_data = input.mutable_data<float>();
+  auto out_data = out.mutable_data<float>();
+
+  for (int64_t i = 0; i < input.dims().production(); ++i) {
+    input_data[i] = static_cast<float>(i);
+  }
+
+  FillConstantBatchSizeLikeCompute<float> fill_constant_batch_size_like;
+  operators::FillConstantBatchSizeLikeParam param;
+  param.Input = &input;
+  param.Out = &out;
+  std::vector<int> shape{-1, 132, 7};
+  float value = 3.5;
+  param.shape = shape;
+  param.value = value;
+
+  std::unique_ptr<KernelContext> ctx(new KernelContext);
+  ctx->As<X86Context>();
+  fill_constant_batch_size_like.SetParam(param);
+  fill_constant_batch_size_like.Run();
+
+  for (int i = 0; i < out.dims().production(); i++) {
+    LOG(INFO) << out_data[i];
+  }
+}
+
+}  // namespace x86
+}  // namespace kernels
+}  // namespace lite
+}  // namespace paddle
+
+USE_LITE_KERNEL(fill_constant_batch_size_like, kX86, kFloat, kNCHW, def);
diff --git a/lite/operators/CMakeLists.txt b/lite/operators/CMakeLists.txt
index 44c42962f51550dda75c78cc2d61961d5dd105ea..7b456222fa2e8f8b53cea3258f5b174832522695 100644
--- a/lite/operators/CMakeLists.txt
+++ b/lite/operators/CMakeLists.txt
@@ -25,6 +25,7 @@ add_operator(multiclass_nms_op_lite basic SRCS multiclass_nms_op.cc DEPS ${op_DE
 add_operator(fusion_elementwise_activation_ops basic SRCS fusion_elementwise_activation_ops.cc DEPS elementwise_ops ${op_DEPS})
 add_operator(mean_op basic SRCS mean_op.cc DEPS ${op_DEPS})
 add_operator(fill_constant_op basic SRCS fill_constant_op.cc DEPS ${op_DEPS})
+add_operator(fill_constant_batch_size_like_op basic SRCS fill_constant_batch_size_like_op.cc DEPS ${op_DEPS})
 #add_operator(sgd_op basic SRCS sgd_op.cc DEPS ${op_DEPS})
 add_operator(uniform_random_op basic SRCS uniform_random_op.cc DEPS ${op_DEPS})
 add_operator(power_op basic SRCS power_op.cc DEPS ${op_DEPS})
diff --git a/lite/operators/fill_constant_batch_size_like_op.cc b/lite/operators/fill_constant_batch_size_like_op.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3a28959e48a2560938eb19bc2868c473ac8fde03
--- /dev/null
+++ b/lite/operators/fill_constant_batch_size_like_op.cc
@@ -0,0 +1,69 @@
+// Copyright (c) 2019 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.
+// 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 "lite/operators/fill_constant_batch_size_like_op.h"
+#include <algorithm>
+#include "lite/core/op_lite.h"
+#include "lite/core/op_registry.h"
+#include "lite/core/tensor.h"
+
+namespace paddle {
+namespace lite {
+namespace operators {
+
+bool FillConstantBatchSizeLikeOp::CheckShape() const {
+  CHECK_OR_FALSE(param_.Input);
+  CHECK_OR_FALSE(param_.Out);
+  return true;
+}
+
+bool FillConstantBatchSizeLikeOp::InferShape() const {
+  auto shape = param_.shape;
+  std::vector<int64_t> shape_int64(shape.size(), 0);
+  std::transform(shape.begin(), shape.end(), shape_int64.begin(), [](int a) {
+    return static_cast<int64_t>(a);
+  });
+  lite::DDim output_dim(shape_int64);
+
+  int input_dim_idx = param_.input_dim_idx;
+  int output_dim_idx = param_.output_dim_idx;
+
+  output_dim[output_dim_idx] = param_.Input->dims()[input_dim_idx];
+  param_.Out->Resize(output_dim);
+  return true;
+}
+
+bool FillConstantBatchSizeLikeOp::AttachImpl(const cpp::OpDesc &op_desc,
+                                             lite::Scope *scope) {
+  auto Input = op_desc.Input("X").front();
+  auto Out = op_desc.Output("Out").front();
+  param_.Input = scope->FindVar(Input)->GetMutable<lite::Tensor>();
+  param_.Out = scope->FindVar(Out)->GetMutable<lite::Tensor>();
+  param_.shape = op_desc.GetAttr<std::vector<int>>("shape");
+  param_.input_dim_idx = op_desc.GetAttr<int>("input_dim_idx");
+  param_.output_dim_idx = op_desc.GetAttr<int>("output_dim_idx");
+  param_.dtype = op_desc.GetAttr<int>("dtype");
+  param_.value = op_desc.GetAttr<float>("value");
+  CHECK(param_.Input);
+  CHECK(param_.Out);
+
+  return true;
+}
+
+} /* namespace operators */
+} /* namespace lite */
+} /* namespace paddle */
+
+REGISTER_LITE_OP(fill_constant_batch_size_like,
+                 paddle::lite::operators::FillConstantBatchSizeLikeOp);
diff --git a/lite/operators/fill_constant_batch_size_like_op.h b/lite/operators/fill_constant_batch_size_like_op.h
new file mode 100644
index 0000000000000000000000000000000000000000..b073ba8379e5e52fcd3a2d0ee28aaaf5ceaea678
--- /dev/null
+++ b/lite/operators/fill_constant_batch_size_like_op.h
@@ -0,0 +1,50 @@
+// Copyright (c) 2019 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.
+// 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.
+
+#pragma once
+#include <string>
+#include <vector>
+#include "lite/core/op_lite.h"
+#include "lite/core/scope.h"
+#include "lite/utils/all.h"
+
+namespace paddle {
+namespace lite {
+namespace operators {
+
+class FillConstantBatchSizeLikeOp : public OpLite {
+ public:
+  FillConstantBatchSizeLikeOp() {}
+
+  explicit FillConstantBatchSizeLikeOp(const std::string &op_type)
+      : OpLite(op_type) {}
+
+  bool CheckShape() const override;
+
+  bool InferShape() const override;
+
+  bool AttachImpl(const cpp::OpDesc &opdesc, lite::Scope *scope) override;
+
+  void AttachKernel(KernelBase *kernel) override { kernel->SetParam(param_); }
+  std::string DebugString() const override {
+    return "fill_constant_batch_size_like";
+  }
+
+ private:
+  mutable FillConstantBatchSizeLikeParam param_;
+};
+
+} /* namespace operators */
+} /* namespace lite */
+} /* namespace paddle */
diff --git a/lite/operators/op_params.h b/lite/operators/op_params.h
index c1f2b12cb46f6586f96550cf1fc973fed7bab25c..f7e0bcd4e498741ab911c5daf4358a72b646f009 100644
--- a/lite/operators/op_params.h
+++ b/lite/operators/op_params.h
@@ -371,6 +371,17 @@ struct FillConstantParam {
   lite::Tensor* Out{};
 };
 
+struct FillConstantBatchSizeLikeParam {
+  lite::Tensor* Input;
+  lite::Tensor* Out;
+
+  std::vector<int> shape;
+  int input_dim_idx{0};
+  int output_dim_idx{0};
+  int dtype{static_cast<int>(VarDescAPI::VarDataType::FP32)};
+  float value{0.0f};
+};
+
 //
 struct FakeQuantizeMovingAvgMaxAbsParam {
   const lite::Tensor* x{};