diff --git a/mindspore/ccsrc/pre_activate/ascend/ascend_backend_optimization.cc b/mindspore/ccsrc/pre_activate/ascend/ascend_backend_optimization.cc
index ead48a70592..f213611a4d3 100644
--- a/mindspore/ccsrc/pre_activate/ascend/ascend_backend_optimization.cc
+++ b/mindspore/ccsrc/pre_activate/ascend/ascend_backend_optimization.cc
@@ -39,7 +39,7 @@
 #include "pre_activate/ascend/ir_fusion/adam_apply_one_with_decay_rule.h"
 #include "pre_activate/ascend/ir_fusion/parameter_and_transop_fusion.h"
 #include "pre_activate/ascend/ir_fusion/transpose_transdata_fusion.h"
-#include "pre_activate/ascend/ir_fusion/transdata_split.h"
+#include "pre_activate/ascend/ir_fission/transdata_split.h"
 #include "pre_activate/ascend/ir_fission/topk_split.h"
 #include "pre_activate/ascend/ir_fusion/momentum_lossscale_fusion.h"
 #include "pre_activate/ascend/ir_fusion/mul_add_fusion.h"
@@ -59,7 +59,7 @@
 #include "pre_activate/ascend/format_type/check_consistency.h"
 #include "pre_activate/ascend/buffer_fusion/buffer_fusion.h"
 #include "pre_activate/ascend/format_type/deal_ref_trans_and_cast.h"
-#include "pre_activate/ascend/ir_fission/add_memcpy_async.h"
+#include "pre_activate/ascend/enhancer/add_memcpy_async.h"
 #include "pre_activate/ascend/format_type/insert_cast_for_runop.h"
 #include "pre_activate/ascend/format_type/insert_transdata_for_runop.h"
 #include "pre_activate/ascend/enhancer/getnext_memcpy_elimination.h"
diff --git a/mindspore/ccsrc/pre_activate/ascend/ir_fission/add_memcpy_async.cc b/mindspore/ccsrc/pre_activate/ascend/enhancer/add_memcpy_async.cc
similarity index 97%
rename from mindspore/ccsrc/pre_activate/ascend/ir_fission/add_memcpy_async.cc
rename to mindspore/ccsrc/pre_activate/ascend/enhancer/add_memcpy_async.cc
index bbea944750f..bb708e02a23 100644
--- a/mindspore/ccsrc/pre_activate/ascend/ir_fission/add_memcpy_async.cc
+++ b/mindspore/ccsrc/pre_activate/ascend/enhancer/add_memcpy_async.cc
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#include "pre_activate/ascend/ir_fission/add_memcpy_async.h"
+#include "pre_activate/ascend/enhancer/add_memcpy_async.h"
 #include <vector>
 #include "utils/utils.h"
 #include "session/anf_runtime_algorithm.h"
diff --git a/mindspore/ccsrc/pre_activate/ascend/ir_fission/add_memcpy_async.h b/mindspore/ccsrc/pre_activate/ascend/enhancer/add_memcpy_async.h
similarity index 82%
rename from mindspore/ccsrc/pre_activate/ascend/ir_fission/add_memcpy_async.h
rename to mindspore/ccsrc/pre_activate/ascend/enhancer/add_memcpy_async.h
index 227fc74fed9..900b0fb46a1 100644
--- a/mindspore/ccsrc/pre_activate/ascend/ir_fission/add_memcpy_async.h
+++ b/mindspore/ccsrc/pre_activate/ascend/enhancer/add_memcpy_async.h
@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_IR_FISSION_ADD_MEMCPY_ASYNC_H_
-#define MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_IR_FISSION_ADD_MEMCPY_ASYNC_H_
+#ifndef MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_ENHANCER_ADD_MEMCPY_ASYNC_H_
+#define MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_ENHANCER_ADD_MEMCPY_ASYNC_H_
 
 #include <memory>
 #include "pre_activate/common/optimizer.h"
@@ -28,4 +28,4 @@ class AddMemcpyAsync : public PatternProcessPass {
 };
 }  // namespace opt
 }  // namespace mindspore
-#endif  // MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_IR_FISSION_ADD_MEMCPY_ASYNC_H_
+#endif  // MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_ENHANCER_ADD_MEMCPY_ASYNC_H_
diff --git a/mindspore/ccsrc/pre_activate/ascend/ir_fusion/transdata_split.cc b/mindspore/ccsrc/pre_activate/ascend/ir_fission/transdata_split.cc
similarity index 98%
rename from mindspore/ccsrc/pre_activate/ascend/ir_fusion/transdata_split.cc
rename to mindspore/ccsrc/pre_activate/ascend/ir_fission/transdata_split.cc
index d3990fe8982..2c77794b145 100644
--- a/mindspore/ccsrc/pre_activate/ascend/ir_fusion/transdata_split.cc
+++ b/mindspore/ccsrc/pre_activate/ascend/ir_fission/transdata_split.cc
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#include "pre_activate/ascend/ir_fusion/transdata_split.h"
+#include "pre_activate/ascend/ir_fission/transdata_split.h"
 #include <set>
 #include "pre_activate/ascend/ascend_helper.h"
 #include "session/anf_runtime_algorithm.h"
diff --git a/mindspore/ccsrc/pre_activate/ascend/ir_fusion/transdata_split.h b/mindspore/ccsrc/pre_activate/ascend/ir_fission/transdata_split.h
similarity index 83%
rename from mindspore/ccsrc/pre_activate/ascend/ir_fusion/transdata_split.h
rename to mindspore/ccsrc/pre_activate/ascend/ir_fission/transdata_split.h
index 0e84c232563..f450897db14 100644
--- a/mindspore/ccsrc/pre_activate/ascend/ir_fusion/transdata_split.h
+++ b/mindspore/ccsrc/pre_activate/ascend/ir_fission/transdata_split.h
@@ -13,8 +13,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_IR_FUSION_TRANSDATA_SPLIT_H_
-#define MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_IR_FUSION_TRANSDATA_SPLIT_H_
+#ifndef MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_IR_FISSION_TRANSDATA_SPLIT_H_
+#define MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_IR_FISSION_TRANSDATA_SPLIT_H_
 #include <vector>
 #include <string>
 #include <utility>
@@ -42,4 +42,4 @@ class TransDataSplit : public Pass {
 };
 }  // namespace opt
 }  // namespace mindspore
-#endif  // MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_IR_FUSION_TRANSDATA_SPLIT_H_
+#endif  // MINDSPORE_CCSRC_PRE_ACTIVATE_ASCEND_IR_FISSION_TRANSDATA_SPLIT_H_
diff --git a/tests/ut/cpp/pre_activate/ascend/ir_fission/add_memcpy_async_test.cc b/tests/ut/cpp/pre_activate/ascend/enhancer/add_memcpy_async_test.cc
similarity index 97%
rename from tests/ut/cpp/pre_activate/ascend/ir_fission/add_memcpy_async_test.cc
rename to tests/ut/cpp/pre_activate/ascend/enhancer/add_memcpy_async_test.cc
index 516bcb89f0a..367ab25054b 100644
--- a/tests/ut/cpp/pre_activate/ascend/ir_fission/add_memcpy_async_test.cc
+++ b/tests/ut/cpp/pre_activate/ascend/enhancer/add_memcpy_async_test.cc
@@ -22,7 +22,7 @@
 #include "utils/utils.h"
 #include "kernel/kernel_build_info.h"
 #include "pre_activate/common/optimizer.h"
-#include "pre_activate/ascend/ir_fission/add_memcpy_async.h"
+#include "pre_activate/ascend/enhancer/add_memcpy_async.h"
 
 namespace mindspore {
 namespace opt {
diff --git a/tests/ut/cpp/pre_activate/ascend/ir_fusion/transdata_split_test.cc b/tests/ut/cpp/pre_activate/ascend/ir_fission/transdata_split_test.cc
similarity index 99%
rename from tests/ut/cpp/pre_activate/ascend/ir_fusion/transdata_split_test.cc
rename to tests/ut/cpp/pre_activate/ascend/ir_fission/transdata_split_test.cc
index 19215d2f1c2..b358b002a4d 100644
--- a/tests/ut/cpp/pre_activate/ascend/ir_fusion/transdata_split_test.cc
+++ b/tests/ut/cpp/pre_activate/ascend/ir_fission/transdata_split_test.cc
@@ -23,7 +23,7 @@
 #define private public
 #define protected public
 #include "pre_activate/ascend/format_type/insert_trans_op.h"
-#include "pre_activate/ascend/ir_fusion/transdata_split.h"
+#include "pre_activate/ascend/ir_fission/transdata_split.h"
 #undef private
 #undef protected