diff --git a/paddle/fluid/framework/CMakeLists.txt b/paddle/fluid/framework/CMakeLists.txt
index 606e9caa0731b3c3a752f602572aa6ee2d9ca693..ede111edb6e50f0301bf512516dbe45d6f6acade 100644
--- a/paddle/fluid/framework/CMakeLists.txt
+++ b/paddle/fluid/framework/CMakeLists.txt
@@ -66,9 +66,11 @@ else()
   cc_test(mixed_vector_test SRCS mixed_vector_test.cc DEPS place memory device_context tensor)
 endif()
 cc_library(lod_tensor SRCS lod_tensor.cc DEPS ddim place tensor framework_proto version)
+cc_library(device_worker SRCS device_worker.cc DEPS trainer_desc_proto lod_tensor)
 
 cc_test(lod_tensor_test SRCS lod_tensor_test.cc DEPS lod_tensor memory)
 nv_test(lod_tensor_gpu_test SRCS lod_tensor_test.cu DEPS lod_tensor)
+cc_test(device_worker_test SRCS device_worker_test.cc DEPS device_worker)
 
 cc_library(garbage_collector SRCS garbage_collector.cc DEPS device_context memory gflags glog)
 
diff --git a/paddle/fluid/framework/device_worker.cc b/paddle/fluid/framework/device_worker.cc
index 7fe60b4446a1c888b4f0a1b3ad1897eea4829bb9..6ba596ab1592dddddf2111ba67578bd98a450056 100644
--- a/paddle/fluid/framework/device_worker.cc
+++ b/paddle/fluid/framework/device_worker.cc
@@ -23,5 +23,73 @@ void DeviceWorker::SetDataFeed(DataFeed* data_feed) {
   device_reader_ = data_feed;
 }
 
+template <typename T>
+std::string PrintLodTensorType(LoDTensor* tensor, int64_t start, int64_t end) {
+  auto count = tensor->numel();
+  if (start < 0 || end > count) {
+    VLOG(3) << "access violation";
+    return "access violation";
+  }
+  std::ostringstream os;
+  for (int64_t i = start; i < end; i++) {
+    os << ":" << tensor->data<T>()[i];
+  }
+  return os.str();
+}
+
+std::string PrintLodTensorIntType(LoDTensor* tensor, int64_t start,
+                                  int64_t end) {
+  auto count = tensor->numel();
+  if (start < 0 || end > count) {
+    VLOG(3) << "access violation";
+    return "access violation";
+  }
+  std::ostringstream os;
+  for (int64_t i = start; i < end; i++) {
+    os << ":" << static_cast<uint64_t>(tensor->data<int64_t>()[i]);
+  }
+  return os.str();
+}
+
+std::string PrintLodTensor(LoDTensor* tensor, int64_t start, int64_t end) {
+  std::string out_val;
+  if (tensor->type() == proto::VarType::FP32) {
+    out_val = PrintLodTensorType<float>(tensor, start, end);
+  } else if (tensor->type() == proto::VarType::INT64) {
+    out_val = PrintLodTensorIntType(tensor, start, end);
+  } else if (tensor->type() == proto::VarType::FP64) {
+    out_val = PrintLodTensorType<double>(tensor, start, end);
+  } else {
+    out_val = "unsupported type";
+  }
+  return out_val;
+}
+
+std::pair<int64_t, int64_t> GetTensorBound(LoDTensor* tensor, int index) {
+  auto& dims = tensor->dims();
+  if (tensor->lod().size() != 0) {
+    auto& lod = tensor->lod()[0];
+    return {lod[index] * dims[1], lod[index + 1] * dims[1]};
+  } else {
+    return {index * dims[1], (index + 1) * dims[1]};
+  }
+}
+
+bool CheckValidOutput(LoDTensor* tensor, size_t batch_size) {
+  auto& dims = tensor->dims();
+  if (dims.size() != 2) return false;
+  if (tensor->lod().size() != 0) {
+    auto& lod = tensor->lod()[0];
+    if (lod.size() != batch_size + 1) {
+      return false;
+    }
+  } else {
+    if (dims[0] != static_cast<int>(batch_size)) {
+      return false;
+    }
+  }
+  return true;
+}
+
 }  // namespace framework
 }  // namespace paddle
diff --git a/paddle/fluid/framework/device_worker.h b/paddle/fluid/framework/device_worker.h
index 946ecbf0f9f1621ff2cd83644c3d6de23bb26897..7aa3502db0a75ed198ba5e7ebe149594ad3a0512 100644
--- a/paddle/fluid/framework/device_worker.h
+++ b/paddle/fluid/framework/device_worker.h
@@ -45,6 +45,10 @@ limitations under the License. */
 namespace paddle {
 namespace framework {
 
+std::string PrintLodTensor(LoDTensor* tensor, int64_t start, int64_t end);
+std::pair<int64_t, int64_t> GetTensorBound(LoDTensor* tensor, int index);
+bool CheckValidOutput(LoDTensor* tensor, size_t batch_size);
+
 class FleetWrapper;
 
 #define SEC_LOG                                                              \
@@ -168,6 +172,8 @@ class HogwildWorker : public CPUWorkerBase {
   virtual void Initialize(const TrainerDesc& desc);
   virtual void TrainFiles();
   virtual void TrainFilesWithProfiler();
+  virtual void SetNeedDump(bool need_dump_field);
+  virtual void SetChannelWriter(ChannelObject<std::string>* queue);
   virtual void PrintFetchVars();
   virtual void CreateDeviceResource(const ProgramDesc& main_prog);
   virtual void BindingDataFeedMemory();
@@ -177,6 +183,8 @@ class HogwildWorker : public CPUWorkerBase {
  protected:
   void CreateThreadOperators(const ProgramDesc& program);
   void CreateThreadScope(const ProgramDesc& program);
+  virtual void DumpParam(const int batch_id);
+
   std::vector<std::string> op_names_;
   std::vector<OperatorBase*> ops_;
   bool thread_barrier_;
@@ -184,6 +192,12 @@ class HogwildWorker : public CPUWorkerBase {
   HogwildWorkerParameter param_;
   std::vector<std::string> skip_ops_;
   std::map<std::string, int> stat_var_name_map_;
+  // dump params or grads for debug
+  bool need_dump_param_;
+  bool need_dump_field_;
+  std::vector<std::string> dump_param_;
+  std::vector<std::string> dump_fields_;
+  ChannelWriter<std::string> writer_;
 };
 
 class DownpourWorker : public HogwildWorker {
@@ -203,13 +217,11 @@ class DownpourWorker : public HogwildWorker {
   void PushGradients();
   void CollectLabelInfo(size_t table_id);
   void AdjustInsWeight();
-  void DumpParam();
   void CopySparseTable();
   void CopyDenseTable();
   void CopyDenseVars();
-  std::string PrintLodTensor(LoDTensor* tensor, int64_t start, int64_t end);
-  std::pair<int64_t, int64_t> GetTensorBound(LoDTensor* tensor, int index);
-  bool CheckValidOutput(LoDTensor* tensor, size_t batch_size);
+  virtual void DumpParam(const int batch_id);
+
   DownpourWorkerParameter param_;
   // copy table
   CopyTableConfig copy_table_config_;
@@ -236,16 +248,11 @@ class DownpourWorker : public HogwildWorker {
   std::vector<::std::future<int32_t>> push_sparse_status_;
   bool dump_slot_;
   bool need_to_push_dense_;
-  bool need_dump_field_;
-  bool need_dump_param_;
   std::map<uint64_t, std::vector<std::string>> dense_grad_names_;
   float scale_datanorm_;
   std::vector<::std::future<int32_t>> push_dense_status_;
-  std::vector<std::string> dump_fields_;
-  ChannelWriter<std::string> writer_;
   // skipped ops
   std::vector<std::string> skip_ops_;
-  std::vector<std::string> dump_param_;
   // just save the value in param_ for easy access
   std::map<uint64_t, std::string> label_var_name_;
   std::map<uint64_t, std::vector<std::string>> dense_value_names_;
diff --git a/paddle/fluid/framework/device_worker_test.cc b/paddle/fluid/framework/device_worker_test.cc
index faa648ab35d2b4d7a553344c2261d2aa07d0829a..b488e4cfe7a013375a55b19e854bde0f5024df21 100644
--- a/paddle/fluid/framework/device_worker_test.cc
+++ b/paddle/fluid/framework/device_worker_test.cc
@@ -12,13 +12,66 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#include "paddle/fluid/framework/device_worker.h"
 #include <gtest/gtest.h>
+#include "paddle/fluid/framework/lod_tensor.h"
 #include "paddle/fluid/framework/trainer.h"
 
 namespace paddle {
 namespace framework {
-TEST() {
-  // create hogwild device worker
+TEST(LodTensor, PrintLodTensor) {
+  LoDTensor tensor1;
+  tensor1.Resize({2});
+  tensor1.mutable_data<float>(platform::CPUPlace());
+  tensor1.data<float>()[0] = 0.2;
+  tensor1.data<float>()[1] = 0.5;
+  std::string res = PrintLodTensor(&tensor1, -1, 2);
+  ASSERT_EQ(res, "access violation");
+  res = PrintLodTensor(&tensor1, 0, 2);
+  ASSERT_EQ(res, ":0.2:0.5");
+
+  LoDTensor tensor2;
+  tensor2.Resize({2});
+  tensor2.mutable_data<int64_t>(platform::CPUPlace());
+  tensor2.data<int64_t>()[0] = 1;
+  tensor2.data<int64_t>()[1] = 2;
+  res = PrintLodTensor(&tensor2, -1, 2);
+  ASSERT_EQ(res, "access violation");
+  res = PrintLodTensor(&tensor2, 0, 2);
+  ASSERT_EQ(res, ":1:2");
+
+  LoDTensor tensor3;
+  tensor3.Resize({2});
+  tensor3.mutable_data<double>(platform::CPUPlace());
+  tensor3.data<double>()[0] = 0.1;
+  tensor3.data<double>()[1] = 0.2;
+  res = PrintLodTensor(&tensor3, 0, 2);
+  ASSERT_EQ(res, ":0.1:0.2");
 }
+
+TEST(LodTensor, GetTensorBound) {
+  LoD lod{{0, 2}};
+  LoDTensor tensor;
+  tensor.set_lod(lod);
+  tensor.Resize({2, 1});
+  tensor.mutable_data<float>(platform::CPUPlace());
+  tensor.data<float>()[0] = 0;
+  tensor.data<float>()[1] = 1;
+  std::pair<int64_t, int64_t> res = GetTensorBound(&tensor, 0);
+  ASSERT_EQ(res.first, 0);
+  ASSERT_EQ(res.second, 2);
 }
+
+TEST(LodTensor, CheckValidOutput) {
+  LoD lod{{0, 1, 2}};
+  LoDTensor tensor;
+  tensor.set_lod(lod);
+  tensor.Resize({2, 1});
+  tensor.mutable_data<float>(platform::CPUPlace());
+  tensor.data<float>()[0] = 0;
+  tensor.data<float>()[1] = 1;
+  ASSERT_TRUE(CheckValidOutput(&tensor, 2));
 }
+
+}  // namespace framework
+}  // namespace paddle
diff --git a/paddle/fluid/framework/downpour_worker.cc b/paddle/fluid/framework/downpour_worker.cc
index 763441d764dd2c44a8ed46e89cbd0c09b655bd99..b1a1b73a66e72d95c68089832b0f0381e9382f95 100644
--- a/paddle/fluid/framework/downpour_worker.cc
+++ b/paddle/fluid/framework/downpour_worker.cc
@@ -129,89 +129,19 @@ void DownpourWorker::SetNeedDump(bool need_dump_field) {
   need_dump_field_ = need_dump_field;
 }
 
-template <typename T>
-std::string PrintLodTensorType(LoDTensor* tensor, int64_t start, int64_t end) {
-  auto count = tensor->numel();
-  if (start < 0 || end > count) {
-    VLOG(3) << "access violation";
-    return "access violation";
-  }
-  std::ostringstream os;
-  for (int64_t i = start; i < end; i++) {
-    os << ":" << tensor->data<T>()[i];
-  }
-  return os.str();
-}
-
-std::string PrintLodTensorIntType(LoDTensor* tensor, int64_t start,
-                                  int64_t end) {
-  auto count = tensor->numel();
-  if (start < 0 || end > count) {
-    VLOG(3) << "access violation";
-    return "access violation";
-  }
+void DownpourWorker::DumpParam(const int batch_id) {
   std::ostringstream os;
-  for (int64_t i = start; i < end; i++) {
-    os << ":" << static_cast<uint64_t>(tensor->data<int64_t>()[i]);
-  }
-  return os.str();
-}
-
-std::string DownpourWorker::PrintLodTensor(LoDTensor* tensor, int64_t start,
-                                           int64_t end) {
-  std::string out_val;
-  if (tensor->type() == proto::VarType::FP32) {
-    out_val = PrintLodTensorType<float>(tensor, start, end);
-  } else if (tensor->type() == proto::VarType::INT64) {
-    out_val = PrintLodTensorIntType(tensor, start, end);
-  } else if (tensor->type() == proto::VarType::FP64) {
-    out_val = PrintLodTensorType<double>(tensor, start, end);
-  } else {
-    out_val = "unsupported type";
-  }
-  return out_val;
-}
-
-std::pair<int64_t, int64_t> DownpourWorker::GetTensorBound(LoDTensor* tensor,
-                                                           int index) {
-  auto& dims = tensor->dims();
-  if (tensor->lod().size() != 0) {
-    auto& lod = tensor->lod()[0];
-    return {lod[index] * dims[1], lod[index + 1] * dims[1]};
-  } else {
-    return {index * dims[1], (index + 1) * dims[1]};
-  }
-}
-
-bool DownpourWorker::CheckValidOutput(LoDTensor* tensor, size_t batch_size) {
-  auto& dims = tensor->dims();
-  if (dims.size() != 2) return false;
-  if (tensor->lod().size() != 0) {
-    auto& lod = tensor->lod()[0];
-    if (lod.size() != batch_size + 1) {
-      return false;
-    }
-  } else {
-    if (dims[0] != static_cast<int>(batch_size)) {
-      return false;
-    }
-  }
-  return true;
-}
-
-void DownpourWorker::DumpParam() {
-  std::string os;
   for (auto& param : dump_param_) {
-    os.clear();
-    os = param;
+    os.str("");
     Variable* var = thread_scope_->FindVar(param);
     if (var == nullptr) {
       continue;
     }
     LoDTensor* tensor = var->GetMutable<LoDTensor>();
     int64_t len = tensor->numel();
-    os += PrintLodTensor(tensor, 0, len);
-    writer_ << os;
+    os << "(" << batch_id << "," << param << ")"
+       << PrintLodTensor(tensor, 0, len);
+    writer_ << os.str();
   }
 }
 
@@ -1022,7 +952,7 @@ void DownpourWorker::TrainFiles() {
         writer_ << ars[i];
       }
       if (need_dump_param_ && thread_id_ == 0) {
-        DumpParam();
+        DumpParam(batch_cnt);
       }
     }
 
diff --git a/paddle/fluid/framework/downpour_worker_opt.cc b/paddle/fluid/framework/downpour_worker_opt.cc
index 0db2c7510c7d33b97d185036a89762c2e7b7c3ca..79f80a373a26af241d9d1a3d62010d7b1520d85d 100644
--- a/paddle/fluid/framework/downpour_worker_opt.cc
+++ b/paddle/fluid/framework/downpour_worker_opt.cc
@@ -564,7 +564,7 @@ void DownpourWorkerOpt::TrainFiles() {
         writer_ << ars[i];
       }
       if (need_dump_param_ && thread_id_ == 0) {
-        DumpParam();
+        DumpParam(batch_cnt);
       }
     }
 
diff --git a/paddle/fluid/framework/hogwild_worker.cc b/paddle/fluid/framework/hogwild_worker.cc
index d472cd63b18fe0dce487ac8cb97454365c9383d9..a08db28f51be0e556eb5ca7de5fb03389710934a 100644
--- a/paddle/fluid/framework/hogwild_worker.cc
+++ b/paddle/fluid/framework/hogwild_worker.cc
@@ -31,6 +31,20 @@ void HogwildWorker::Initialize(const TrainerDesc &desc) {
   }
   use_cvm_ = desc.use_cvm();
   thread_barrier_ = desc.thread_barrier();
+
+  dump_fields_.resize(desc.dump_fields_size());
+  for (int i = 0; i < desc.dump_fields_size(); ++i) {
+    dump_fields_[i] = desc.dump_fields(i);
+  }
+
+  need_dump_param_ = false;
+  dump_param_.resize(desc.dump_param_size());
+  for (int i = 0; i < desc.dump_param_size(); ++i) {
+    dump_param_[i] = desc.dump_param(i);
+  }
+  if (desc.dump_param_size() != 0) {
+    need_dump_param_ = true;
+  }
 }
 
 void HogwildWorker::CreateThreadOperators(const ProgramDesc &program) {
@@ -143,6 +157,49 @@ void HogwildWorker::TrainFilesWithProfiler() {
       op_total_time[i] += timeline.ElapsedSec();
       total_time += timeline.ElapsedSec();
     }
+
+    if (need_dump_field_) {
+      size_t batch_size = device_reader_->GetCurBatchSize();
+      std::vector<std::string> ars(batch_size);
+      for (auto &ar : ars) {
+        ar.clear();
+      }
+      auto &ins_id_vec = device_reader_->GetInsIdVec();
+      auto &ins_content_vec = device_reader_->GetInsContentVec();
+      for (size_t i = 0; i < ins_id_vec.size(); i++) {
+        ars[i] += ins_id_vec[i];
+        ars[i] = ars[i] + "\t" + ins_content_vec[i];
+      }
+      for (auto &field : dump_fields_) {
+        Variable *var = thread_scope_->FindVar(field);
+        if (var == nullptr) {
+          continue;
+        }
+        LoDTensor *tensor = var->GetMutable<LoDTensor>();
+        if (!CheckValidOutput(tensor, batch_size)) {
+          continue;
+        }
+        for (size_t i = 0; i < batch_size; ++i) {
+          auto output_dim = tensor->dims()[1];
+          std::string output_dimstr =
+              boost::lexical_cast<std::string>(output_dim);
+          ars[i] = ars[i] + "\t" + field + ":" + output_dimstr;
+          auto bound = GetTensorBound(tensor, i);
+          ars[i] += PrintLodTensor(tensor, bound.first, bound.second);
+        }
+      }
+      // #pragma omp parallel for
+      for (size_t i = 0; i < ars.size(); i++) {
+        if (ars[i].length() == 0) {
+          continue;
+        }
+        writer_ << ars[i];
+      }
+      if (need_dump_param_ && thread_id_ == 0) {
+        DumpParam(batch_cnt);
+      }
+    }
+
     total_inst += cur_batch;
     ++batch_cnt;
     PrintFetchVars();
@@ -160,6 +217,11 @@ void HogwildWorker::TrainFilesWithProfiler() {
     thread_scope_->DropKids();
     timeline.Start();
   }
+
+  if (need_dump_field_) {
+    writer_.Flush();
+  }
+
 #ifdef PADDLE_WITH_DISTRIBUTE
   if (thread_barrier_) {
     operators::distributed::Communicator::GetInstance()
@@ -168,6 +230,10 @@ void HogwildWorker::TrainFilesWithProfiler() {
 #endif
 }
 
+void HogwildWorker::SetChannelWriter(ChannelObject<std::string> *queue) {
+  writer_.Reset(queue);
+}
+
 void HogwildWorker::TrainFiles() {
   platform::SetNumThreads(1);
 
@@ -214,5 +280,25 @@ void HogwildWorker::PrintFetchVars() {
   }
 }
 
+void HogwildWorker::SetNeedDump(bool need_dump_field) {
+  need_dump_field_ = need_dump_field;
+}
+
+void HogwildWorker::DumpParam(const int batch_id) {
+  std::ostringstream os;
+  for (auto &param : dump_param_) {
+    os.str("");
+    Variable *var = thread_scope_->FindVar(param);
+    if (var == nullptr) {
+      continue;
+    }
+    LoDTensor *tensor = var->GetMutable<LoDTensor>();
+    int64_t len = tensor->numel();
+    os << "(" << batch_id << "," << param << ")"
+       << PrintLodTensor(tensor, 0, len);
+    writer_ << os.str();
+  }
+}
+
 }  // end namespace framework
 }  // end namespace paddle
diff --git a/paddle/fluid/framework/multi_trainer.cc b/paddle/fluid/framework/multi_trainer.cc
index b3af63bb1e17e829dae956545c95956fd2676618..0faf96195403faeead00c56353cd5ad965269e13 100644
--- a/paddle/fluid/framework/multi_trainer.cc
+++ b/paddle/fluid/framework/multi_trainer.cc
@@ -14,6 +14,7 @@ limitations under the License. */
 
 #include <string>
 #include <vector>
+#include "io/fs.h"
 #include "paddle/fluid/framework/data_feed_factory.h"
 #include "paddle/fluid/framework/device_worker_factory.h"
 #include "paddle/fluid/framework/trainer.h"
@@ -25,12 +26,29 @@ namespace framework {
 void MultiTrainer::Initialize(const TrainerDesc& trainer_desc,
                               Dataset* dataset) {
   thread_num_ = trainer_desc.thread_num();
+  SetDataset(dataset);
+
+  dump_fields_path_ = trainer_desc.dump_fields_path();
+  dump_converter_ = trainer_desc.dump_converter();
+  need_dump_field_ = false;
+  if (trainer_desc.dump_fields_size() != 0 && dump_fields_path_ != "") {
+    need_dump_field_ = true;
+  }
+  if (need_dump_field_) {
+    auto& file_list = dataset->GetFileList();
+    if (file_list.size() == 0) {
+      need_dump_field_ = false;
+    }
+  }
+  mpi_rank_ = trainer_desc.mpi_rank();
+  mpi_size_ = trainer_desc.mpi_size();
+  dump_file_num_ = trainer_desc.dump_file_num();
+
   for (int i = 0; i < trainer_desc.downpour_param().stat_var_names_size();
        i++) {
     need_merge_var_names_.push_back(
         trainer_desc.downpour_param().stat_var_names(i));
   }
-  SetDataset(dataset);
   // get filelist from trainer_desc here
   const std::vector<paddle::framework::DataFeed*> readers =
       dataset->GetReaders();
@@ -53,12 +71,66 @@ void MultiTrainer::Initialize(const TrainerDesc& trainer_desc,
     workers_[i]->Initialize(trainer_desc);
     workers_[i]->SetDeviceIndex(i);
     workers_[i]->SetDataFeed(readers[i]);
+    workers_[i]->SetNeedDump(need_dump_field_);
   }
 
   // set debug here
   SetDebug(trainer_desc.debug());
 }
 
+void MultiTrainer::DumpWork(int tid) {
+#ifdef _LINUX
+  int err_no = 0;
+  std::string path = string::format_string(
+      "%s/part-%03d-%05d", dump_fields_path_.c_str(), mpi_rank_, tid);
+
+  std::shared_ptr<FILE> fp = fs_open_write(path, &err_no, dump_converter_);
+  while (1) {
+    std::string out_str;
+    if (!queue_->Get(out_str)) {
+      break;
+    }
+    size_t write_count =
+        fwrite_unlocked(out_str.data(), 1, out_str.length(), fp.get());
+    if (write_count != out_str.length()) {
+      VLOG(3) << "dump text failed";
+      continue;
+    }
+    write_count = fwrite_unlocked("\n", 1, 1, fp.get());
+    if (write_count != 1) {
+      VLOG(3) << "dump text failed";
+      continue;
+    }
+  }
+#endif
+}
+
+void MultiTrainer::InitDumpEnv() {
+  queue_ = paddle::framework::MakeChannel<std::string>();
+  for (int i = 0; i < thread_num_; ++i) {
+    workers_[i]->SetChannelWriter(queue_.get());
+  }
+  dump_thread_num_ = 1;
+  if (dump_file_num_ > mpi_size_) {
+    dump_thread_num_ = dump_file_num_ / mpi_size_;
+    if (dump_file_num_ % mpi_size_ > mpi_rank_) {
+      dump_thread_num_ += 1;
+    }
+  }
+  for (int i = 0; i < dump_thread_num_; i++) {
+    dump_thread_.push_back(
+        std::thread(std::bind(&MultiTrainer::DumpWork, this, i)));
+  }
+}
+
+void MultiTrainer::FinalizeDumpEnv() {
+  queue_->Close();
+  for (auto& th : dump_thread_) {
+    th.join();
+  }
+  queue_.reset();
+}
+
 // call only after all resources are set in current trainer
 void MultiTrainer::InitTrainerEnv(const ProgramDesc& main_program,
                                   const platform::Place& place) {
@@ -71,6 +143,13 @@ void MultiTrainer::InitTrainerEnv(const ProgramDesc& main_program,
   }
 }
 
+void MultiTrainer::InitOtherEnv(const ProgramDesc& main_program) {
+  if (need_dump_field_) {
+    InitDumpEnv();
+  }
+  VLOG(3) << "init other env done.";
+}
+
 Scope* MultiTrainer::GetWorkerScope(int thread_id) {
   return workers_[thread_id]->GetThreadScope();
 }
@@ -91,7 +170,12 @@ void MultiTrainer::Run() {
   }
 }
 
-void MultiTrainer::Finalize() { root_scope_->DropKids(); }
+void MultiTrainer::Finalize() {
+  if (need_dump_field_) {
+    FinalizeDumpEnv();
+  }
+  root_scope_->DropKids();
+}
 
 }  // end namespace framework
 }  // end namespace paddle
diff --git a/paddle/fluid/framework/trainer.h b/paddle/fluid/framework/trainer.h
index cbeb812ecdac8efb0c0540d8d83eeb4699c00baa..c769dbb350c7135b2537e4d204b984d072b3baa4 100644
--- a/paddle/fluid/framework/trainer.h
+++ b/paddle/fluid/framework/trainer.h
@@ -68,10 +68,13 @@ class MultiTrainer : public TrainerBase {
   virtual void Initialize(const TrainerDesc& trainer_desc, Dataset* data_set);
   virtual void InitTrainerEnv(const ProgramDesc& main_program,
                               const platform::Place& place);
-  virtual void InitOtherEnv(const ProgramDesc& main_program) {}
+  virtual void InitOtherEnv(const ProgramDesc& main_program);
   virtual void Run();
   virtual void Finalize();
+  virtual void FinalizeDumpEnv();
+  virtual void InitDumpEnv();
   virtual Scope* GetWorkerScope(int thread_id);
+  virtual void DumpWork(int tid);
 
  protected:
   int thread_num_;
@@ -79,6 +82,17 @@ class MultiTrainer : public TrainerBase {
   std::vector<DataFeed*> readers_;
   std::vector<std::shared_ptr<DeviceWorker>> workers_;
   std::vector<std::string> need_merge_var_names_;
+
+  bool need_dump_field_;
+  std::string dump_fields_path_;
+  std::string dump_converter_;
+  int mpi_rank_;
+  int mpi_size_;
+  int dump_file_num_;
+
+  std::vector<std::thread> dump_thread_;
+  int dump_thread_num_;
+  std::shared_ptr<paddle::framework::ChannelObject<std::string>> queue_;
 };
 
 class DistMultiTrainer : public MultiTrainer {
@@ -98,16 +112,6 @@ class DistMultiTrainer : public MultiTrainer {
 
  protected:
   std::shared_ptr<paddle::framework::PullDenseWorker> pull_dense_worker_;
-  std::vector<std::thread> dump_thread_;
-  int dump_thread_num_;
-  std::shared_ptr<paddle::framework::ChannelObject<std::string>> queue_;
-
-  bool need_dump_field_;
-  std::string dump_fields_path_;
-  std::string dump_converter_;
-  int mpi_rank_;
-  int mpi_size_;
-  int dump_file_num_;
 };
 
 #if defined(PADDLE_WITH_NCCL)
diff --git a/python/paddle/fluid/executor.py b/python/paddle/fluid/executor.py
index 7146c5c747d3021b8d551ba03f9d10795229e9d7..b2e0fc28ed7ffdb9c7c720e108d5e9473395f70f 100644
--- a/python/paddle/fluid/executor.py
+++ b/python/paddle/fluid/executor.py
@@ -919,7 +919,7 @@ class Executor(object):
     def _dump_debug_info(self, program=None, trainer=None):
         with open(str(id(program)) + "_train_desc.prototxt", "w") as fout:
             fout.write(str(trainer))
-        if program._fleet_opt:
+        if program._fleet_opt and "fleet_desc" in program._fleet_opt:
             with open("fleet_desc.prototxt", "w") as fout:
                 fout.write(str(program._fleet_opt["fleet_desc"]))
 
diff --git a/python/paddle/fluid/incubate/fleet/parameter_server/distribute_transpiler/__init__.py b/python/paddle/fluid/incubate/fleet/parameter_server/distribute_transpiler/__init__.py
index 2a0fa372bc78e35b01f95cd1cd750b78b580561a..9b7387b4aabb39ac97d49bd84ca28142a7a62afe 100644
--- a/python/paddle/fluid/incubate/fleet/parameter_server/distribute_transpiler/__init__.py
+++ b/python/paddle/fluid/incubate/fleet/parameter_server/distribute_transpiler/__init__.py
@@ -333,6 +333,12 @@ class DistributedTranspiler(Fleet):
                 self._transpiler.get_pserver_programs(
                     self.server_endpoints()[self.server_index()])
 
+    def _set_opt_info(self, opt_info):
+        """
+        this function saves the result from DistributedOptimizer.minimize()
+        """
+        self._opt_info = opt_info
+
 
 fleet = DistributedTranspiler()
 
@@ -358,9 +364,11 @@ class TranspilerOptimizer(DistributedOptimizer):
     def __init__(self, optimizer, strategy=None):
         super(TranspilerOptimizer, self).__init__(optimizer, strategy)
 
+        self.opt_info = dict()
         if strategy:
-            if isinstance(strategy, DistributeTranspilerConfig) or isinstance(
-                    strategy, DistributedStrategy):
+            if isinstance(strategy, DistributeTranspilerConfig):
+                self._strategy = strategy
+            elif isinstance(strategy, DistributedStrategy):
                 self._strategy = strategy
             else:
                 raise TypeError(
@@ -369,6 +377,14 @@ class TranspilerOptimizer(DistributedOptimizer):
         else:
             self._strategy = StrategyFactory.create_sync_strategy()
 
+        if isinstance(self._strategy, DistributedStrategy):
+            self.opt_info = self._strategy.get_debug_opt()
+            self.opt_info["mpi_rank"] = fleet.worker_index()
+            self.opt_info["mpi_size"] = fleet.worker_num()
+            self.opt_info["trainer"] = "MultiTrainer"
+            self.opt_info["device_worker"] = "Hogwild"
+            fleet._set_opt_info(self.opt_info)
+
     def backward(self,
                  loss,
                  startup_program=None,
@@ -456,4 +472,5 @@ class TranspilerOptimizer(DistributedOptimizer):
         optimize_ops, params_grads = self._optimizer.minimize(
             loss, startup_program, parameter_list, no_grad_set)
         fleet._transpile(config=self._strategy)
+        loss.block.program._fleet_opt = self.opt_info
         return optimize_ops, params_grads
diff --git a/python/paddle/fluid/incubate/fleet/parameter_server/distribute_transpiler/distributed_strategy.py b/python/paddle/fluid/incubate/fleet/parameter_server/distribute_transpiler/distributed_strategy.py
index b796e6ad1c2845b1de0782934f586cfbfe5ddc45..24f7aaf9ad2f8e844598494c9aa092e3ac77eaf6 100644
--- a/python/paddle/fluid/incubate/fleet/parameter_server/distribute_transpiler/distributed_strategy.py
+++ b/python/paddle/fluid/incubate/fleet/parameter_server/distribute_transpiler/distributed_strategy.py
@@ -69,6 +69,23 @@ class DistributedStrategy(object):
         self._execute_strategy.num_threads = num_threads
         if num_threads > 1:
             self._build_strategy.reduce_strategy = fluid.BuildStrategy.ReduceStrategy.Reduce
+        self.debug_opt = None
+
+    def set_debug_opt(self, opt_info):
+        self.debug_opt = opt_info
+
+    def get_debug_opt(self):
+        opt_info = dict()
+        if self.debug_opt is not None and isinstance(self.debug_opt, dict):
+            opt_info["dump_slot"] = bool(self.debug_opt.get("dump_slot", 0))
+            opt_info["dump_converter"] = str(
+                self.debug_opt.get("dump_converter", ""))
+            opt_info["dump_fields"] = self.debug_opt.get("dump_fields", [])
+            opt_info["dump_file_num"] = self.debug_opt.get("dump_file_num", 16)
+            opt_info["dump_fields_path"] = self.debug_opt.get(
+                "dump_fields_path", "")
+            opt_info["dump_param"] = self.debug_opt.get("dump_param", [])
+        return opt_info
 
     def get_program_config(self):
         return self._program_config
diff --git a/python/paddle/fluid/tests/unittests/dist_fleet_ctr.py b/python/paddle/fluid/tests/unittests/dist_fleet_ctr.py
index df50853360ccf68af5bf0dc5f7860ef002bbbe64..886dbba6f0986d287f23f5f7c4cd2581ff20ddd0 100644
--- a/python/paddle/fluid/tests/unittests/dist_fleet_ctr.py
+++ b/python/paddle/fluid/tests/unittests/dist_fleet_ctr.py
@@ -229,7 +229,7 @@ class TestDistCTR2x2(FleetDistRunnerBase):
                 fetch_list=[self.avg_cost],
                 fetch_info=["cost"],
                 print_period=2,
-                debug=False)
+                debug=int(os.getenv("Debug", "0")))
             pass_time = time.time() - pass_start
 
         res_dict = dict()
diff --git a/python/paddle/fluid/tests/unittests/test_dist_fleet_base.py b/python/paddle/fluid/tests/unittests/test_dist_fleet_base.py
index 0faaa7384ffc9703a40020bd5902e8cae039850d..32a06188c5f56306b4aa2ad4c80fb0fac2cad350 100644
--- a/python/paddle/fluid/tests/unittests/test_dist_fleet_base.py
+++ b/python/paddle/fluid/tests/unittests/test_dist_fleet_base.py
@@ -79,6 +79,17 @@ class FleetDistRunnerBase(object):
         elif args.mode == "geo":
             self.strategy = StrategyFactory.create_geo_strategy(
                 args.geo_sgd_need_push_nums)
+        self.dump_param = os.getenv("dump_param", "").split(",")
+        self.dump_fields = os.getenv("dump_fields", "").split(",")
+        self.dump_fields_path = os.getenv("dump_fields_path", "")
+        debug = int(os.getenv("Debug", "0"))
+        if debug:
+            self.strategy.set_debug_opt({
+                "dump_param": self.dump_param,
+                "dump_fields": self.dump_fields,
+                "dump_fields_path": self.dump_fields_path
+            })
+
         return self.strategy
 
     def build_optimizer(self, avg_cost, strategy):
diff --git a/python/paddle/fluid/tests/unittests/test_dist_fleet_ctr.py b/python/paddle/fluid/tests/unittests/test_dist_fleet_ctr.py
index a2782794da70711c5a1dcb2bb35db87d384c353c..796ac611db81e2a822134c9fa0ca862d4a294da8 100644
--- a/python/paddle/fluid/tests/unittests/test_dist_fleet_ctr.py
+++ b/python/paddle/fluid/tests/unittests/test_dist_fleet_ctr.py
@@ -16,6 +16,7 @@ from __future__ import print_function
 
 import os
 import unittest
+import tempfile
 from test_dist_fleet_base import TestFleetBase
 
 
@@ -99,7 +100,11 @@ class TestDistMnistAsyncDataset2x2(TestFleetBase):
             "LD_LIBRARY_PATH": os.getenv("LD_LIBRARY_PATH", ""),
             "FLAGS_rpc_deadline": "5000",  # 5sec to fail fast
             "http_proxy": "",
-            "SAVE_MODEL": "1"
+            "SAVE_MODEL": "1",
+            "dump_param": "concat_0.tmp_0",
+            "dump_fields": "dnn-fc-3.tmp_0,dnn-fc-3.tmp_0@GRAD",
+            "dump_fields_path": tempfile.mkdtemp(),
+            "Debug": "1"
         }
 
         required_envs.update(need_envs)
diff --git a/python/paddle/fluid/tests/unittests/test_distributed_strategy.py b/python/paddle/fluid/tests/unittests/test_distributed_strategy.py
index 0267413663a770626e2f39f8cadb9961ed521e65..c1adbff26f93edf00b92309ea1b6b791e23facce 100644
--- a/python/paddle/fluid/tests/unittests/test_distributed_strategy.py
+++ b/python/paddle/fluid/tests/unittests/test_distributed_strategy.py
@@ -198,5 +198,30 @@ class TestHalfAsyncStrategy(unittest.TestCase):
         optimizer = fleet.distributed_optimizer(optimizer, half_async_config)
 
 
+class TestDebugInfo(unittest.TestCase):
+    def test_debug_info(self):
+        x = fluid.layers.data(name='x', shape=[1], dtype='float32')
+        y = fluid.layers.data(name='y', shape=[1], dtype='float32')
+        y_predict = fluid.layers.fc(input=x, size=1, act=None)
+        cost = fluid.layers.square_error_cost(input=y_predict, label=y)
+        avg_cost = fluid.layers.mean(cost)
+
+        role = role_maker.UserDefinedRoleMaker(
+            current_id=0,
+            role=role_maker.Role.WORKER,
+            worker_num=2,
+            server_endpoints=["127.0.0.1:6001", "127.0.0.1:6002"])
+        fleet.init(role)
+
+        optimizer = fluid.optimizer.SGD(0.0001)
+        strategy = StrategyFactory.create_sync_strategy()
+        strategy.set_debug_opt({
+            "dump_param": ["fc_0.tmp_0"],
+            "dump_fields": ["fc_0.tmp_0", "fc_0.tmp_0@GRAD"],
+            "dump_fields_path": "dump_text/"
+        })
+        optimizer = fleet.distributed_optimizer(optimizer, strategy)
+
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/python/paddle/fluid/tests/unittests/test_downpoursgd.py b/python/paddle/fluid/tests/unittests/test_downpoursgd.py
index 0d78a23e111cfdb0caf58afff8f942dd60b68ada..582c7eef5a382dc6fb95b190b0f8a872b7f97db7 100644
--- a/python/paddle/fluid/tests/unittests/test_downpoursgd.py
+++ b/python/paddle/fluid/tests/unittests/test_downpoursgd.py
@@ -29,6 +29,7 @@ from paddle.fluid.device_worker import DownpourSGD, DownpourSGDOPT
 from paddle.fluid.incubate.fleet.parameter_server.pslib.node import DownpourWorker
 from google.protobuf import text_format
 import paddle.fluid.incubate.fleet.parameter_server.pslib.ps_pb2 as pslib
+from paddle.fluid.trainer_factory import TrainerFactory
 
 
 class TestListenAndServOp(unittest.TestCase):
@@ -87,12 +88,8 @@ class TestListenAndServOp(unittest.TestCase):
             opt_info["program_id_to_worker"] = {program_id: worker}
 
             main_program._fleet_opt = opt_info
-            trainer = DistMultiTrainer()
+            trainer = TrainerFactory()._create_trainer(main_program._fleet_opt)
             trainer._set_program(main_program)
-            device_worker = DownpourSGD()
-            device_worker._set_fleet_desc(fleet_desc)
-            trainer._set_device_worker(device_worker)
-            trainer._set_fleet_desc(fleet_desc)
             trainer._gen_trainer_desc()
             cmd = "rm fleet_desc.prototxt*"
             os.system(cmd)
@@ -147,12 +144,8 @@ class TestListenAndServOp(unittest.TestCase):
             opt_info["program_id_to_worker"] = {program_id: worker}
 
             main_program._fleet_opt = opt_info
-            trainer = DistMultiTrainer()
+            trainer = TrainerFactory()._create_trainer(main_program._fleet_opt)
             trainer._set_program(main_program)
-            device_worker = DownpourSGD()
-            device_worker._set_fleet_desc(fleet_desc)
-            trainer._set_device_worker(device_worker)
-            trainer._set_fleet_desc(fleet_desc)
             trainer._gen_trainer_desc()
             cmd = "rm fleet_desc.prototxt*"
             os.system(cmd)
@@ -207,12 +200,8 @@ class TestListenAndServOp(unittest.TestCase):
             opt_info["program_id_to_worker"] = {program_id: worker}
 
             main_program._fleet_opt = opt_info
-            trainer = DistMultiTrainer()
+            trainer = TrainerFactory()._create_trainer(main_program._fleet_opt)
             trainer._set_program(main_program)
-            device_worker = DownpourSGDOPT()
-            device_worker._set_fleet_desc(fleet_desc)
-            trainer._set_device_worker(device_worker)
-            trainer._set_fleet_desc(fleet_desc)
             trainer._gen_trainer_desc()
             cmd = "rm fleet_desc.prototxt*"
             os.system(cmd)
diff --git a/python/paddle/fluid/trainer_factory.py b/python/paddle/fluid/trainer_factory.py
index f426db3df91888ed3ca09ea3c3dbf7717119ee87..c28e961cd775b245b7f64397473a364791a9ef4f 100644
--- a/python/paddle/fluid/trainer_factory.py
+++ b/python/paddle/fluid/trainer_factory.py
@@ -53,15 +53,9 @@ class TrainerFactory(object):
             device_worker_class = opt_info["device_worker"]
             trainer = globals()[trainer_class]()
             device_worker = globals()[device_worker_class]()
-            if "fleet_desc" in opt_info:
-                device_worker._set_fleet_desc(opt_info["fleet_desc"])
-                trainer._set_fleet_desc(opt_info["fleet_desc"])
-                if opt_info.get("use_cvm") is not None:
-                    trainer._set_use_cvm(opt_info["use_cvm"])
-                if opt_info.get("no_cvm") is not None:
-                    trainer._set_no_cvm(opt_info["no_cvm"])
-                if opt_info.get("scale_datanorm") is not None:
-                    trainer._set_scale_datanorm(opt_info["scale_datanorm"])
+
+            # for debug tools
+            if opt_info is not None:
                 if opt_info.get("dump_slot") is not None:
                     trainer._set_dump_slot(opt_info["dump_slot"])
                 if opt_info.get("mpi_rank") is not None:
@@ -76,6 +70,18 @@ class TrainerFactory(object):
                     trainer._set_dump_file_num(opt_info["dump_file_num"])
                 if opt_info.get("dump_converter") is not None:
                     trainer._set_dump_converter(opt_info["dump_converter"])
+                if opt_info.get("dump_param") is not None:
+                    trainer._set_dump_param(opt_info["dump_param"])
+
+            if "fleet_desc" in opt_info:
+                device_worker._set_fleet_desc(opt_info["fleet_desc"])
+                trainer._set_fleet_desc(opt_info["fleet_desc"])
+                if opt_info.get("use_cvm") is not None:
+                    trainer._set_use_cvm(opt_info["use_cvm"])
+                if opt_info.get("no_cvm") is not None:
+                    trainer._set_no_cvm(opt_info["no_cvm"])
+                if opt_info.get("scale_datanorm") is not None:
+                    trainer._set_scale_datanorm(opt_info["scale_datanorm"])
                 if opt_info.get("adjust_ins_weight") is not None:
                     trainer._set_adjust_ins_weight(opt_info[
                         "adjust_ins_weight"])
@@ -84,8 +90,6 @@ class TrainerFactory(object):
                 if opt_info.get("check_nan_var_names") is not None:
                     trainer._set_check_nan_var_names(opt_info[
                         "check_nan_var_names"])
-                if opt_info.get("dump_param") is not None:
-                    trainer._set_dump_param(opt_info["dump_param"])
                 if opt_info.get("loss_names") is not None:
                     trainer._set_loss_names(opt_info["loss_names"])
             trainer._set_device_worker(device_worker)