diff --git a/bsp/efm32/rtconfig.h b/bsp/efm32/rtconfig.h
index 408f695992..19dc011491 100644
--- a/bsp/efm32/rtconfig.h
+++ b/bsp/efm32/rtconfig.h
@@ -34,13 +34,6 @@
 /* SECTION: RT_DEBUG */
 #define RT_DEBUG
 #define RT_DEBUG_COLOR
-//#define RT_DEBUG_MEM              (1)
-//#define RT_DEBUG_SCHEDULER            (1)
-//#define RT_DEBUG_IPC              (1)
-//#define THREAD_DEBUG
-//#define IRQ_DEBUG
-#define RT_USING_OVERFLOW_CHECK
-//#define DFS_DEBUG
 #define RT_LWIP_DEBUG
 
 //#define RT_IRQHDL_DEBUG
diff --git a/bsp/lpc43xx/M0/rtconfig.h b/bsp/lpc43xx/M0/rtconfig.h
index 0c0db94c21..57a6300ec6 100644
--- a/bsp/lpc43xx/M0/rtconfig.h
+++ b/bsp/lpc43xx/M0/rtconfig.h
@@ -25,10 +25,6 @@
 #define RT_DEBUG_COLOR
 // <bool name="RT_DEBUG_INIT" description="debug init enable" default=0 />
 #define RT_DEBUG_INIT   0
-//#define RT_DEBUG_SCHEDULER             1
-// <bool name="RT_THREAD_DEBUG" description="Thread debug enable" default="false" />
-// #define RT_THREAD_DEBUG
-// <bool name="RT_USING_OVERFLOW_CHECK" description="Thread stack over flow detect" default="true" />
 #define RT_USING_OVERFLOW_CHECK
 // </section>
 
diff --git a/bsp/sep6200/rtconfig.h b/bsp/sep6200/rtconfig.h
index c687dc3cb4..ac5e520ca9 100644
--- a/bsp/sep6200/rtconfig.h
+++ b/bsp/sep6200/rtconfig.h
@@ -2,17 +2,6 @@
 #ifndef __RTTHREAD_CFG_H__
 #define __RTTHREAD_CFG_H__
 
-/* #define RT_DEBUG_IRQ 1 */
-/* #define RT_DEBUG_TIMER 1 */
-
-/* #define RT_DEBUG_MEM 1 */
-/* #define RT_DEBUG_MEMHEAP 1 */
-/* #define RT_DEBUG_MODULE 1 */
-/* #define RT_DEBUG_SCHEDULER 1 */
-/* #define RT_DEBUG_SLAB 1 */
-/* #define RT_DEBUG_THREAD 1 */
-/* #define RT_DEBUG_IPC 1 */
-
 /* RT_NAME_MAX*/
 #define RT_NAME_MAX	8
 
diff --git a/bsp/simulator/drivers/module_win32.c b/bsp/simulator/drivers/module_win32.c
index 590aad39bd..183497f5c6 100644
--- a/bsp/simulator/drivers/module_win32.c
+++ b/bsp/simulator/drivers/module_win32.c
@@ -13,6 +13,11 @@
 #include <rtm.h>
 
 #ifdef RT_USING_MODULE
+
+#define DBG_TAG           "simulator.module.win32"
+#define DBG_LVL           DBG_INFO
+#include <rtdbg.h>
+
 void rt_module_init_object_container(struct rt_module *module)
 {
     RT_ASSERT(module != RT_NULL);
@@ -315,8 +320,7 @@ rt_module_t rt_module_open(const char *path)
             (void(*)(void *))module->module_entry, RT_NULL,
             2048, RT_THREAD_PRIORITY_MAX - 2, 10);
 
-        RT_DEBUG_LOG(RT_DEBUG_MODULE, ("thread entry 0x%x\n",
-            module->module_entry));
+        LOG_D("thread entry %#x", module->module_entry);
 
         /* set module id */
         module->module_thread->parent.module_id = (void *)module;
diff --git a/components/libc/posix/libdl/arch/arm.c b/components/libc/posix/libdl/arch/arm.c
index a1ab506a55..2996f2e3c7 100644
--- a/components/libc/posix/libdl/arch/arm.c
+++ b/components/libc/posix/libdl/arch/arm.c
@@ -13,12 +13,8 @@
 
 #ifdef __arm__
 
-#define DBG_TAG           "kernel.module"
-#ifdef RT_DEBUG_MODULE
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_MODULE) */
+#define DBG_TAG           "posix.libdl.arch"
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 int dlmodule_relocate(struct rt_dlmodule *module, Elf32_Rel *rel, Elf32_Addr sym_val)
@@ -126,4 +122,5 @@ int dlmodule_relocate(struct rt_dlmodule *module, Elf32_Rel *rel, Elf32_Addr sym
 
     return 0;
 }
-#endif
+
+#endif /* __arm__ */
diff --git a/components/libc/posix/libdl/arch/riscv.c b/components/libc/posix/libdl/arch/riscv.c
index cf0eb193af..8dd09789c5 100644
--- a/components/libc/posix/libdl/arch/riscv.c
+++ b/components/libc/posix/libdl/arch/riscv.c
@@ -26,12 +26,8 @@
 #define R_RISCV_TLS_TPREL32   10
 #define R_RISCV_TLS_TPREL64   11
 
-#define DBG_TAG           "kernel.module"
-#ifdef RT_DEBUG_MODULE
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_MODULE) */
+#define DBG_TAG           "posix.libdl.arch"
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 int dlmodule_relocate(struct rt_dlmodule *module, Elf_Rel *rel, Elf_Addr sym_val)
diff --git a/components/libc/posix/libdl/arch/x86.c b/components/libc/posix/libdl/arch/x86.c
index b309ab8c13..1987d45508 100644
--- a/components/libc/posix/libdl/arch/x86.c
+++ b/components/libc/posix/libdl/arch/x86.c
@@ -13,12 +13,8 @@
 
 #ifdef __i386__
 
-#define DBG_TAG           "kernel.module"
-#ifdef RT_DEBUG_MODULE
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_MODULE) */
+#define DBG_TAG           "posix.libdl.arch"
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 #define R_X86_64_GLOB_DAT   6   /* Create GOT entry */
@@ -55,4 +51,5 @@ int dlmodule_relocate(struct rt_dlmodule *module, Elf32_Rel *rel, Elf32_Addr sym
 
     return 0;
 }
-#endif
+
+#endif /* __i386__ */
diff --git a/documentation/basic/basic.md b/documentation/basic/basic.md
index f5e0e25d19..547eeab57f 100644
--- a/documentation/basic/basic.md
+++ b/documentation/basic/basic.md
@@ -580,9 +580,6 @@ Configuration is mainly done by modifying the file under project directory - rtc
 #define RT_DEBUG
 /* When debug mode is enabled: Define this macro to enable the print component initialization information, if not defined, close.  */
 #define RT_DEBUG_INIT
-/* When debug mode is enabled: When the macro is defined as 0, the print thread switching information is turned off. When it is defined as 1, it is enabled. */
-/* When debug mode is enabled: Define this macro to enable the print thread switching information. */
-#define RT_DEBUG_THREAD
 
 /* Defining this macro means the use of the hook function is started, if not defined, close. */
 #define RT_USING_HOOK
diff --git a/libcpu/ti-dsp/c28x/cpuport.c b/libcpu/ti-dsp/c28x/cpuport.c
index f282744dac..c1c1141413 100644
--- a/libcpu/ti-dsp/c28x/cpuport.c
+++ b/libcpu/ti-dsp/c28x/cpuport.c
@@ -13,12 +13,8 @@
 
 #include <rthw.h>
 
-#define DBG_TAG           "kernel.irq"
-#ifdef RT_DEBUG_IRQ
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_IRQ) */
+#define DBG_TAG           "cpu.ti.c28x"
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 extern volatile rt_uint8_t rt_interrupt_nest;
diff --git a/src/Kconfig b/src/Kconfig
index bcb58f1dee..ed280c0020 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -211,48 +211,12 @@ if RT_DEBUG
         bool "Enable debugging of components initialization"
         default n
 
-    config RT_DEBUG_THREAD
-        bool "Enable debugging of Thread State Changes"
-        default n
-
-    config RT_DEBUG_SCHEDULER
-        bool "Enable debugging of Scheduler"
-        default n
-
-    config RT_DEBUG_IPC
-        bool "Enable debugging of IPC"
-        default n
-
-    config RT_DEBUG_TIMER
-        bool "Enable debugging of Timer"
-        default n
-
-    config RT_DEBUG_IRQ
-        bool "Enable debugging of IRQ(Interrupt Request)"
-        default n
-
-    config RT_DEBUG_MEM
-        bool "Enable debugging of Small Memory Algorithm"
-        default n
-
-    config RT_DEBUG_SLAB
-        bool "Enable debugging of SLAB Memory Algorithm"
-        default n
-
-    config RT_DEBUG_MEMHEAP
-        bool "Enable debugging of Memory Heap Algorithm"
-        default n
-
     if ARCH_MM_MMU
         config RT_DEBUG_PAGE_LEAK
             bool "Enable page leaking tracer"
             default n
     endif
 
-    config RT_DEBUG_MODULE
-        bool "Enable debugging of Application Module"
-        default n
-
 endif
 
 menu "Inter-Thread communication"
diff --git a/src/ipc.c b/src/ipc.c
index b6bf08770d..220c9bc173 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -51,11 +51,7 @@
 #include <rthw.h>
 
 #define DBG_TAG           "kernel.ipc"
-#ifdef RT_DEBUG_IPC
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_IPC) */
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 #ifndef __on_rt_object_trytake_hook
diff --git a/src/irq.c b/src/irq.c
index b0b0c7a182..e38f10e6f4 100644
--- a/src/irq.c
+++ b/src/irq.c
@@ -18,11 +18,7 @@
 #include <rtthread.h>
 
 #define DBG_TAG           "kernel.irq"
-#ifdef RT_DEBUG_IRQ
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_IRQ) */
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 #ifndef __on_rt_interrupt_enter_hook
diff --git a/src/mem.c b/src/mem.c
index 8160d9ea58..ae04e0dd8d 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -51,16 +51,9 @@
 #include <rtthread.h>
 
 #if defined (RT_USING_SMALL_MEM)
- /**
-  * memory item on the small mem
-  */
 
 #define DBG_TAG           "kernel.mem"
-#ifdef RT_DEBUG_MEM
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_MEM) */
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 struct rt_small_mem_item
diff --git a/src/memheap.c b/src/memheap.c
index 067523bb93..bb14e4aa40 100644
--- a/src/memheap.c
+++ b/src/memheap.c
@@ -27,11 +27,7 @@
 #ifdef RT_USING_MEMHEAP
 
 #define DBG_TAG           "kernel.memheap"
-#ifdef RT_DEBUG_MEMHEAP
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_MEM) */
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 /* dynamic pool magic and mask */
diff --git a/src/scheduler_mp.c b/src/scheduler_mp.c
index a1f9912193..bbf5474929 100644
--- a/src/scheduler_mp.c
+++ b/src/scheduler_mp.c
@@ -35,11 +35,7 @@
 #include <rthw.h>
 
 #define DBG_TAG           "kernel.scheduler"
-#ifdef RT_DEBUG_SCHEDULER
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_SCHEDULER) */
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 rt_list_t rt_thread_priority_table[RT_THREAD_PRIORITY_MAX];
diff --git a/src/scheduler_up.c b/src/scheduler_up.c
index ab4c0e977a..ef8c36dc88 100644
--- a/src/scheduler_up.c
+++ b/src/scheduler_up.c
@@ -35,11 +35,7 @@
 #include <rthw.h>
 
 #define DBG_TAG           "kernel.scheduler"
-#ifdef RT_DEBUG_SCHEDULER
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_SCHEDULER) */
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 rt_list_t rt_thread_priority_table[RT_THREAD_PRIORITY_MAX];
diff --git a/src/slab.c b/src/slab.c
index c026dde982..18f3048b65 100644
--- a/src/slab.c
+++ b/src/slab.c
@@ -55,14 +55,10 @@
 #include <rthw.h>
 #include <rtthread.h>
 
-#if defined (RT_USING_SLAB)
+#ifdef RT_USING_SLAB
 
 #define DBG_TAG           "kernel.slab"
-#ifdef RT_DEBUG_SLAB
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_SLAB) */
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 /*
@@ -751,7 +747,7 @@ void rt_slab_free(rt_slab_t m, void *ptr)
         return ;
 
     /* get memory usage */
-#ifdef RT_DEBUG_SLAB
+#if (DBG_LVL == DBG_LOG)
     {
         rt_ubase_t addr = ((rt_ubase_t)ptr & ~RT_MM_PAGE_MASK);
         LOG_D("free a memory 0x%x and align to 0x%x, kup index %d",
@@ -759,7 +755,7 @@ void rt_slab_free(rt_slab_t m, void *ptr)
               (rt_ubase_t)addr,
               ((rt_ubase_t)(addr) - slab->heap_start) >> RT_MM_PAGE_BITS);
     }
-#endif /* RT_DEBUG_SLAB */
+#endif /* DBG_LVL == DBG_LOG */
 
     kup = btokup((rt_ubase_t)ptr & ~RT_MM_PAGE_MASK);
     /* release large allocation */
@@ -857,4 +853,4 @@ void rt_slab_free(rt_slab_t m, void *ptr)
 }
 RTM_EXPORT(rt_slab_free);
 
-#endif /* defined (RT_USING_SLAB) */
+#endif /* RT_USING_SLAB */
diff --git a/src/thread.c b/src/thread.c
index 57b922894b..61f3e289f9 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -39,11 +39,7 @@
 #include <stddef.h>
 
 #define DBG_TAG           "kernel.thread"
-#ifdef RT_DEBUG_THREAD
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_THREAD) */
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 #ifndef __on_rt_thread_inited_hook
diff --git a/src/timer.c b/src/timer.c
index 04e4a91b13..6a077f7575 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -25,11 +25,7 @@
 #include <rthw.h>
 
 #define DBG_TAG           "kernel.timer"
-#ifdef RT_DEBUG_TIMER
-#define DBG_LVL           DBG_LOG
-#else
-#define DBG_LVL           DBG_WARNING
-#endif /* defined (RT_DEBUG_TIMER) */
+#define DBG_LVL           DBG_INFO
 #include <rtdbg.h>
 
 /* hard timer list */
@@ -203,7 +199,7 @@ rt_inline void _timer_remove(rt_timer_t timer)
     }
 }
 
-#ifdef RT_DEBUG_TIMER
+#if (DBG_LVL == DBG_LOG)
 /**
  * @brief The number of timer
  *
@@ -242,7 +238,7 @@ void rt_timer_dump(rt_list_t timer_heads[])
     }
     rt_kprintf("\n");
 }
-#endif /* RT_DEBUG_TIMER */
+#endif /* (DBG_LVL == DBG_LOG) */
 
 /**
  * @addtogroup Clock