diff --git a/paddle/pten/common/backend.h b/paddle/pten/common/backend.h
index 622fb7d0258282..95bbc88681a965 100644
--- a/paddle/pten/common/backend.h
+++ b/paddle/pten/common/backend.h
@@ -39,6 +39,21 @@ namespace experimental {
 enum class Backend : uint8_t {
   UNDEFINED = 0,
 
+  // basic kernel backend
+  CPU,
+
+  // various acceleration devices' backends
+  CUDA,
+  XPU,  // XPU currently does not exist at the same time as CUDA
+  NPU,  // NPU currently does not exist at the same time as CUDA
+
+  // the third library backend
+  MKLDNN,
+  CUDNN,
+
+  // end of backend types
+  NUM_BACKENDS,
+
   /**
    * [ Why we need ALL in baisc kernel key member? ]
    *
@@ -53,12 +68,12 @@ enum class Backend : uint8_t {
    * so if we provide the ALL field with Register the kernel in this statement.
    *
    * Of course, we have also considered solving this problem through different
-   * named macros, for example, we define
+   * named macros, for example, if we define
    *
    * PT_REGISTER_KERNEL_FOR_ALL_BACKEND
    *
-   * However, dtype and layout also have the same requirements, we need to
-   * define a series of macros
+   * Based on this design pattern, the dtype and layout also have the same
+   * requirements, this cause we need to define a series of macros
    *
    * PT_REGISTER_KERNEL_FOR_ALL_DTYPE
    * PT_REGISTER_KERNEL_FOR_ALL_LAYOUT
@@ -67,28 +82,13 @@ enum class Backend : uint8_t {
    * PT_REGISTER_KERNEL_FOR_ALL_LAYOUT_AND_DTYPE
    * PT_REGISTER_KERNEL_FOR_ALL_BACKEND_AND_LAYOUT_AND_DTYPE
    *
-   * This makes the system of registering macros more complicated, we think
+   * It makes the system of registering macros more complicated, we think
    * this is not a simple design, so we still adopt the design of providing
    * the ALL field.
    *
    * Note: ALL_BACKEND only used for Kernel registration and selection
    */
   ALL_BACKEND = UNDEFINED,
-
-  // basic kernel backend
-  CPU,
-
-  // various acceleration devices' backends
-  CUDA,
-  XPU,  // XPU currently does not exist at the same time as CUDA
-  NPU,  // NPU currently does not exist at the same time as CUDA
-
-  // the third library backend
-  MKLDNN,
-  CUDNN,
-
-  // end of backend types
-  NUM_BACKENDS,
 };
 
 inline std::ostream& operator<<(std::ostream& os, Backend backend) {
diff --git a/paddle/pten/common/data_type.h b/paddle/pten/common/data_type.h
index 8868d8475a55c5..a00d68c535415d 100644
--- a/paddle/pten/common/data_type.h
+++ b/paddle/pten/common/data_type.h
@@ -30,8 +30,6 @@ using bfloat16 = ::paddle::platform::bfloat16;
 
 enum class DataType {
   UNDEFINED = 0,
-  // See Note [ Why we need ALL in baisc kernel key member? ]
-  ALL_DTYPE = UNDEFINED,
   BOOL,
   INT8,   // Char
   UINT8,  // BYte
@@ -47,7 +45,9 @@ enum class DataType {
   FLOAT64,
   COMPLEX64,
   COMPLEX128,
-  NUM_DATA_TYPES
+  NUM_DATA_TYPES,
+  // See Note [ Why we need ALL in baisc kernel key member? ]
+  ALL_DTYPE = UNDEFINED,
 };
 
 inline size_t SizeOf(DataType data_type) {
diff --git a/paddle/pten/common/layout.h b/paddle/pten/common/layout.h
index 99ad88a23233b0..b7c151e7e6a7c8 100644
--- a/paddle/pten/common/layout.h
+++ b/paddle/pten/common/layout.h
@@ -20,14 +20,14 @@ namespace experimental {
 
 enum class DataLayout {
   UNDEFINED = 0,
-  // See Note [ Why we need ALL in baisc kernel key member? ]
-  ALL_LAYOUT = UNDEFINED,
   // TODO(chenweihang): keep ANY for compatibility, remove it later
   ANY = UNDEFINED,
   NHWC,
   NCHW,
   MKLDNN,
   NUM_DATA_LAYOUTS,
+  // See Note [ Why we need ALL in baisc kernel key member? ]
+  ALL_LAYOUT = UNDEFINED,
 };
 
 inline std::ostream& operator<<(std::ostream& os, DataLayout layout) {
diff --git a/paddle/pten/core/kernel_registry.h b/paddle/pten/core/kernel_registry.h
index 9f198b7c1fb3fd..8a58ba060d1a5e 100644
--- a/paddle/pten/core/kernel_registry.h
+++ b/paddle/pten/core/kernel_registry.h
@@ -209,7 +209,7 @@ struct KernelRegistrar {
  * pointer of the corresponding data type is automatically instantiated
  * during registration.
  *
- * Note: If needed, add more marco to support 2 template arguments deduce
+ * Note: `1TA` means `1 template argument`
  */
 #define PT_REGISTER_KERNEL(                                                \
     kernel_name, backend, layout, meta_kernel_fn, cpp_dtype, ...)          \