diff --git a/paddle/fluid/lite/api/paddle_use_passes.h b/paddle/fluid/lite/api/paddle_use_passes.h
index cae0bdd19e175d0d8cd68a52701de9da47dace2b..b64f9638133bedb5129c0e8bbfe7f920437f9efa 100644
--- a/paddle/fluid/lite/api/paddle_use_passes.h
+++ b/paddle/fluid/lite/api/paddle_use_passes.h
@@ -18,7 +18,7 @@
 USE_MIR_PASS(demo);
 USE_MIR_PASS(static_kernel_pick_pass);
 USE_MIR_PASS(variable_place_inference_pass);
-USE_MIR_PASS(type_target_transform_pass);
+USE_MIR_PASS(type_target_cast_pass);
 USE_MIR_PASS(generate_program_pass);
 USE_MIR_PASS(io_copy_kernel_pick_pass);
 USE_MIR_PASS(argument_type_display_pass);
@@ -31,5 +31,5 @@ USE_MIR_PASS(identity_scale_eliminate_pass);
 USE_MIR_PASS(lite_conv_elementwise_add_activation_fuse_pass);
 USE_MIR_PASS(lite_elementwise_add_activation_fuse_pass);
 USE_MIR_PASS(lite_quant_dequant_fuse_pass);
-USE_MIR_PASS(precision_cast_transform_pass);
+USE_MIR_PASS(type_precision_cast_pass);
 USE_MIR_PASS(trans_weight_pass);
diff --git a/paddle/fluid/lite/core/mir/CMakeLists.txt b/paddle/fluid/lite/core/mir/CMakeLists.txt
index 647336a4215ccc9e2ef1e38e17925870a28c39ef..92a31f45327c63b919e36d8557eeb1115697ec67 100644
--- a/paddle/fluid/lite/core/mir/CMakeLists.txt
+++ b/paddle/fluid/lite/core/mir/CMakeLists.txt
@@ -17,8 +17,8 @@ lite_cc_library(mir_passes
       elimination/identity_scale_eliminate_pass.cc
       static_kernel_pick_pass.cc
       variable_place_inference_pass.cc
-      type_target_transform_pass.cc
-      precision_cast_transform_pass.cc
+      type_target_cast_pass.cc
+      type_precision_cast_pass.cc
       io_copy_kernel_pick_pass.cc
       graph_visualize_pass.cc
       generate_program_pass.cc
diff --git a/paddle/fluid/lite/core/mir/static_kernel_pick_pass.cc b/paddle/fluid/lite/core/mir/static_kernel_pick_pass.cc
index 620aa48fdb536ae5efc84836a965eb31cf884fca..d703db1f3d037a918abe91066fcb5a4065c548dc 100644
--- a/paddle/fluid/lite/core/mir/static_kernel_pick_pass.cc
+++ b/paddle/fluid/lite/core/mir/static_kernel_pick_pass.cc
@@ -29,7 +29,7 @@ bool KernelScoreCmp(const std::pair<size_t, std::unique_ptr<KernelBase>>& a,
 }
 
 void StaticKernelPickPass::Apply(const std::unique_ptr<SSAGraph>& graph) {
-  CHECK(kernel_pick_factors_.AnyFactorConsidered())
+  CHECK(kernel_pick_factors_.any_factor_considered())
       << "kernel_pick_factors should be specified first";
   CHECK(graph) << "graph not valid";
   // sort kernels by the factors.
diff --git a/paddle/fluid/lite/core/mir/precision_cast_transform_pass.cc b/paddle/fluid/lite/core/mir/type_precision_cast_pass.cc
similarity index 98%
rename from paddle/fluid/lite/core/mir/precision_cast_transform_pass.cc
rename to paddle/fluid/lite/core/mir/type_precision_cast_pass.cc
index e75fd1863d879556aaa0359a3f9475e299f7f65c..c424b2f23863f69cb02aecb620e7bc06de4200c4 100644
--- a/paddle/fluid/lite/core/mir/precision_cast_transform_pass.cc
+++ b/paddle/fluid/lite/core/mir/type_precision_cast_pass.cc
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "paddle/fluid/lite/core/mir/precision_cast_transform_pass.h"
+#include "paddle/fluid/lite/core/mir/type_precision_cast_pass.h"
 #include <list>
 #include <memory>
 #include <string>
@@ -162,5 +162,5 @@ void PrecisionCastPass::SetValidPlaces(const std::vector<Place>& valid_places) {
 }  // namespace lite
 }  // namespace paddle
 
-REGISTER_MIR_PASS(precision_cast_transform_pass,
+REGISTER_MIR_PASS(type_precision_cast_pass,
                   paddle::lite::mir::PrecisionCastPass);
diff --git a/paddle/fluid/lite/core/mir/precision_cast_transform_pass.h b/paddle/fluid/lite/core/mir/type_precision_cast_pass.h
similarity index 100%
rename from paddle/fluid/lite/core/mir/precision_cast_transform_pass.h
rename to paddle/fluid/lite/core/mir/type_precision_cast_pass.h
diff --git a/paddle/fluid/lite/core/mir/type_target_transform_pass.cc b/paddle/fluid/lite/core/mir/type_target_cast_pass.cc
similarity index 97%
rename from paddle/fluid/lite/core/mir/type_target_transform_pass.cc
rename to paddle/fluid/lite/core/mir/type_target_cast_pass.cc
index 93ac94b38917648c24afa0d3f40e3b93a442f7bc..1d8095cb63f7f24c261098a011566ccf40424f76 100644
--- a/paddle/fluid/lite/core/mir/type_target_transform_pass.cc
+++ b/paddle/fluid/lite/core/mir/type_target_cast_pass.cc
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "paddle/fluid/lite/core/mir/type_target_transform_pass.h"
+#include "paddle/fluid/lite/core/mir/type_target_cast_pass.h"
 #include <list>
 #include <memory>
 #include <string>
@@ -142,5 +142,5 @@ void TypeTargetTransformPass::SetValidPlaces(
 }  // namespace lite
 }  // namespace paddle
 
-REGISTER_MIR_PASS(type_target_transform_pass,
+REGISTER_MIR_PASS(type_target_cast_pass,
                   paddle::lite::mir::TypeTargetTransformPass);
diff --git a/paddle/fluid/lite/core/mir/type_target_transform_pass.h b/paddle/fluid/lite/core/mir/type_target_cast_pass.h
similarity index 100%
rename from paddle/fluid/lite/core/mir/type_target_transform_pass.h
rename to paddle/fluid/lite/core/mir/type_target_cast_pass.h
diff --git a/paddle/fluid/lite/core/mir/variable_place_inference_pass_test.cc b/paddle/fluid/lite/core/mir/variable_place_inference_pass_test.cc
index 808835a6f6e530845e61701e383f9fb3b65defb2..aeffdd2eec42be85e33104530e1df5bccab36f11 100644
--- a/paddle/fluid/lite/core/mir/variable_place_inference_pass_test.cc
+++ b/paddle/fluid/lite/core/mir/variable_place_inference_pass_test.cc
@@ -60,7 +60,7 @@ TEST(variable_place_inference_pass, test) {
       "argument_type_display_pass",     //
       "variable_place_inference_pass",  //
       "argument_type_display_pass",     //
-      "type_target_transform_pass",     //
+      "type_target_cast_pass",          //
   });
 
   Place prefered_place{
diff --git a/paddle/fluid/lite/core/optimizer.cc b/paddle/fluid/lite/core/optimizer.cc
index 1502d15e2bfa70b94a87686c72108e26175730b0..0c08688aa7db7d013090fbeb821b77e527fc58c3 100644
--- a/paddle/fluid/lite/core/optimizer.cc
+++ b/paddle/fluid/lite/core/optimizer.cc
@@ -15,7 +15,7 @@
 #include "paddle/fluid/lite/core/optimizer.h"
 #include <fstream>
 #include "paddle/fluid/lite/core/mir/static_kernel_pick_pass.h"
-#include "paddle/fluid/lite/core/mir/type_target_transform_pass.h"
+#include "paddle/fluid/lite/core/mir/type_target_cast_pass.h"
 #include "paddle/fluid/lite/model_parser/model_parser.h"
 #include "paddle/fluid/lite/utils/all.h"
 
diff --git a/paddle/fluid/lite/core/optimizer.h b/paddle/fluid/lite/core/optimizer.h
index 437eec50dc52db994da0493b3fe87d7927a77be3..7c6e4a2dff1ae54b182f88428558d9bffa55da98 100644
--- a/paddle/fluid/lite/core/optimizer.h
+++ b/paddle/fluid/lite/core/optimizer.h
@@ -20,7 +20,7 @@
 #include "paddle/fluid/lite/core/mir/pass_manager.h"
 #include "paddle/fluid/lite/core/mir/ssa_graph.h"
 #include "paddle/fluid/lite/core/mir/static_kernel_pick_pass.h"
-#include "paddle/fluid/lite/core/mir/type_target_transform_pass.h"
+#include "paddle/fluid/lite/core/mir/type_target_cast_pass.h"
 #include "paddle/fluid/lite/core/program.h"
 #include "paddle/fluid/lite/core/types.h"
 #include "paddle/fluid/lite/model_parser/model_parser.h"
@@ -70,12 +70,12 @@ class Optimizer {
            "static_kernel_pick_pass",        //
            "variable_place_inference_pass",  //
            "argument_type_display_pass",     //
-           "type_target_transform_pass",     //
+           "type_target_cast_pass",          //
            "variable_place_inference_pass",  //
            "argument_type_display_pass",     //
            "io_copy_kernel_pick_pass",       //
            "variable_place_inference_pass",  //
-           "precision_cast_transform_pass",  //
+           "type_precision_cast_pass",       //
            "argument_type_display_pass",     //
            "trans_weight_pass",              //
            "runtime_context_assign_pass",    //
@@ -109,7 +109,7 @@ class Optimizer {
   void InitTargetTypeTransformPass() {
     auto* pass =
         mir::PassManager::Global().LookUp<mir::TypeTargetTransformPass>(
-            "type_target_transform_pass");
+            "type_target_cast_pass");
     CHECK(pass);
     CHECK(!valid_places_.empty());
     LOG(INFO) << "valid_places.size " << valid_places_.size();
diff --git a/paddle/fluid/lite/core/type_system.h b/paddle/fluid/lite/core/type_system.h
index 8bd1f3739498367fd47dfcceceee7b345c9499b8..d8b88f8e2611a0b4f4674e933d4af0cdca047a2d 100644
--- a/paddle/fluid/lite/core/type_system.h
+++ b/paddle/fluid/lite/core/type_system.h
@@ -34,11 +34,12 @@ namespace lite {
 
 // Type is the definition of all the types that supported by the Variable that
 // represents as the input and output of an operator or kernel.
-// The DNN system is simple, and the architecture can not process that many data
-// types as a compiler, or that will turn out to a chaos.
+// The DNN system is simple, just a list of operators, and the architecture
+// can not process that many data types as a compiler, or that will turn out to
+// a chaos.
 //
 // We should make sure that the supported data types be registered here, and
-// keep the quantity small and avoid using some special data types as op's
+// keep the set small and avoid using some special data types as op's
 // inputs or outputs, such as some runtime cache, those types can't be processed
 // by the MIR.
 //
@@ -51,7 +52,7 @@ namespace lite {
 // transforming operators, for example, a DataLayoutTransformOp can convert a
 // `TensorFp32NCHWTy` to a `TensorFp32NHWCTy`; a IoCopyOp can convert a
 // `TensorFp32NCHWTy(kHost)` to `TensorFp32NCHWTy(kCUDA)`. There are many other
-// convertions between different Types, but there are some unsupportted type
+// convertions between different Types, but there are some unsupported type
 // convertions, for example, there is noway to convert a `UnsupportedTy` to a
 // `TensorAnyTy`.
 //
diff --git a/paddle/fluid/lite/core/types.h b/paddle/fluid/lite/core/types.h
index 810901d15baf0fdb92b913e57dae99a7aa740461..50c3d69d8542e5cf0d9e1ee36ca256193213c399 100644
--- a/paddle/fluid/lite/core/types.h
+++ b/paddle/fluid/lite/core/types.h
@@ -36,10 +36,10 @@ class KernelPickFactor {
   };
 
   // Has any factors considered.
-  bool AnyFactorConsidered() const { return data_; }
+  bool any_factor_considered() const { return data_; }
 
   KernelPickFactor& ConsiderTarget();
-  // Perfer a specific target, e.g. prefer CUDA kernels.
+  // Prefer a specific target, e.g. prefer CUDA kernels.
   KernelPickFactor& ConsiderPrecision();
   KernelPickFactor& ConsiderDataLayout();
   KernelPickFactor& ConsiderDevice();
diff --git a/paddle/fluid/lite/tools/debug/model_debug_tool.cc b/paddle/fluid/lite/tools/debug/model_debug_tool.cc
index 00552f18fd3887d93582c8af8aa562794898607e..7e8556a1579e09193c3c2abb1f6ea7909e8ccb69 100644
--- a/paddle/fluid/lite/tools/debug/model_debug_tool.cc
+++ b/paddle/fluid/lite/tools/debug/model_debug_tool.cc
@@ -46,7 +46,7 @@ void Run(DebugConfig* conf) {
 
   std::vector<std::string> passes{{
       "static_kernel_pick_pass", "variable_place_inference_pass",
-      "type_target_transform_pass", "variable_place_inference_pass",
+      "type_target_cast_pass", "variable_place_inference_pass",
       "io_copy_kernel_pick_pass", "variable_place_inference_pass",
       "runtime_context_assign_pass",
   }};