diff --git a/include/rtdbg.h b/include/rtdbg.h
index 4eb544aecbd969f4ca219255d9715e362de1f523..05e3838b4612b40a1b359f29e345b4821347cda5 100644
--- a/include/rtdbg.h
+++ b/include/rtdbg.h
@@ -7,6 +7,7 @@
  * Date           Author       Notes
  * 2016-11-12     Bernard      The first version
  * 2018-05-25     armink       Add simple API, such as LOG_D, LOG_E
+ * 2023-04-26     mengplus     Add simple API, such as LOG_HEX
  */
 
 /*
@@ -147,6 +148,16 @@ extern "C" {
         _DBG_LOG_X_END;                                     \
     }                                                       \
     while (0)
+#define dbg_hex(type, buff, size)      \
+    do                                 \
+    {                                  \
+        _DBG_LOG_HDR("H", 0);          \
+        for (int i = 0; i < size; i++) \
+        {                              \
+            LOG_RAW(type, buff[i]);    \
+        }                              \
+        _DBG_LOG_X_END;                \
+    } while (0)
 
 #define dbg_raw(...)         rt_kprintf(__VA_ARGS__);
 
@@ -156,6 +167,7 @@ extern "C" {
 #define dbg_enter
 #define dbg_exit
 #define dbg_log_line(lvl, color_n, fmt, ...)
+#define dbg_hex(type, buff, size)
 #define dbg_raw(...)
 #endif /* DBG_ENABLE */
 
@@ -185,7 +197,7 @@ extern "C" {
 
 #define LOG_RAW(...)         dbg_raw(__VA_ARGS__)
 
-#define LOG_HEX(name, width, buf, size)
+#define LOG_HEX(type, buff, size) dbg_hex(type, buff, size)
 
 #endif /* defined(RT_USING_ULOG) && define(DBG_ENABLE) */