diff --git a/mindspore-lite/src/litert/lite_session.cc b/mindspore-lite/src/litert/lite_session.cc
index 5fc41f44fb7a9bf130469130ed846a6d5bd289ee..e1419e6e21188183cbe6d203f5ef4d79b1a9f639 100644
--- a/mindspore-lite/src/litert/lite_session.cc
+++ b/mindspore-lite/src/litert/lite_session.cc
@@ -454,9 +454,7 @@ int LiteSession::IsolateOutputTensor() {
     new_tensor->set_init_ref_count(src_tensor->init_ref_count());
 
     /* src tensor set for graph calculate */
-    if (src_tensor->data_type() == kNumberTypeFloat16) {
-      src_tensor->set_data_type(kNumberTypeFloat32);
-    }
+
     src_tensor->set_ref_count(1);
 
     isolate_graph_output_map_.insert(std::make_pair(new_tensor, src_tensor));