diff --git a/paddle/framework/lod_rank_table.cc b/paddle/framework/lod_rank_table.cc
index 1c2fba70c8ab0827ba6d1563f08cd0820650822e..17d524c09276fc0eb166925bd79bc0bdfcead195 100644
--- a/paddle/framework/lod_rank_table.cc
+++ b/paddle/framework/lod_rank_table.cc
@@ -46,4 +46,13 @@ void LoDRankTable::Reset(const LoD& lod, size_t level) {
 }
 
 }  // namespace framework
+
+std::ostream& operator<<(std::ostream& out,
+                         const framework::LoDRankTable& table) {
+  out << "NumOfSequence " << table.items().size() << "\n";
+  for (auto& each_item : table.items()) {
+    out << "\tSeq #" << each_item.index << ", Len=" << each_item.length << "\n";
+  }
+  return out;
+}
 }  // namespace paddle
diff --git a/paddle/framework/lod_rank_table.h b/paddle/framework/lod_rank_table.h
index 9faa3a4d7bdc55ab7b24e31f5e5434dacc0a4b36..d3007d3d7379a59b32465cbd55780c6268e0e4a8 100644
--- a/paddle/framework/lod_rank_table.h
+++ b/paddle/framework/lod_rank_table.h
@@ -13,6 +13,7 @@
    limitations under the License. */
 
 #pragma once
+#include <iosfwd>
 #include "paddle/framework/lod_tensor.h"
 
 namespace paddle {
@@ -52,4 +53,8 @@ class LoDRankTable {
 };
 
 }  // namespace framework
+
+std::ostream& operator<<(std::ostream& out,
+                         const framework::LoDRankTable& table);
+
 }  // namespace paddle
diff --git a/paddle/operators/lod_rank_table_op.cc b/paddle/operators/lod_rank_table_op.cc
index 3e281c8d1e292cd61336c50c013ca9c05e12c5f4..46577d0c5821a1738bd050815f46776591bdfdde 100644
--- a/paddle/operators/lod_rank_table_op.cc
+++ b/paddle/operators/lod_rank_table_op.cc
@@ -30,6 +30,7 @@ class LoDRankTableOp : public framework::OperatorBase {
         scope.FindVar(Output("Out"))->GetMutable<framework::LoDRankTable>();
     VLOG(10) << "Level = " << static_cast<size_t>(Attr<int>("level"));
     out->Reset(x.lod(), static_cast<size_t>(Attr<int>("level")));
+    VLOG(10) << Input("X") << "'s lod information is " << *out;
   }
 };