diff --git a/bsp/imxrt/libraries/drivers/drv_can.c b/bsp/imxrt/libraries/drivers/drv_can.c
index d360c5f432..2296f1ecfe 100644
--- a/bsp/imxrt/libraries/drivers/drv_can.c
+++ b/bsp/imxrt/libraries/drivers/drv_can.c
@@ -181,12 +181,12 @@ static rt_err_t can_cfg(struct rt_can_device *can_dev, struct can_configure *cfg
 
 #ifdef SOC_IMXRT1170_SERIES
     flexcan_timing_config_t timing_config;
-    memset(&timing_config, 0, sizeof(flexcan_timing_config_t));
+    rt_memset(&timing_config, 0, sizeof(flexcan_timing_config_t));
 
     if(FLEXCAN_CalculateImprovedTimingValues(can->base, config.baudRate, GetCanSrcFreq(can->base), &timing_config))
     {
         /* Update the improved timing configuration*/
-        memcpy(&(config.timingConfig), &timing_config, sizeof(flexcan_timing_config_t));
+        rt_memcpy(&(config.timingConfig), &timing_config, sizeof(flexcan_timing_config_t));
     }
     else
     {
diff --git a/bsp/imxrt/libraries/drivers/drv_eth.c b/bsp/imxrt/libraries/drivers/drv_eth.c
index 532ed5ad40..3d15bb5750 100644
--- a/bsp/imxrt/libraries/drivers/drv_eth.c
+++ b/bsp/imxrt/libraries/drivers/drv_eth.c
@@ -703,7 +703,7 @@ static status_t _ENET_SendFrame(ENET_Type *base,
                     if (sizeleft > handle->txBuffSizeAlign[ringId])
                     {
                         /* Data copy. */
-                        (void)memcpy((void *)(uint32_t *)address, (void *)(uint32_t *)src,
+                        (void)rt_memcpy((void *)(uint32_t *)address, (void *)(uint32_t *)src,
                                      handle->txBuffSizeAlign[ringId]);
 #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
                         if (handle->txMaintainEnable[ringId])
@@ -733,7 +733,7 @@ static status_t _ENET_SendFrame(ENET_Type *base,
                     }
                     else
                     {
-                        (void)memcpy((void *)(uint32_t *)address, (void *)(uint32_t *)src, sizeleft);
+                        (void)rt_memcpy((void *)(uint32_t *)address, (void *)(uint32_t *)src, sizeleft);
 #if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
                         if (handle->txMaintainEnable[ringId])
                         {
@@ -893,7 +893,7 @@ static status_t _ENET_SendFrame(ENET_Type *base, enet_handle_t *handle, const ui
 #else
                 address = (uint32_t)curBuffDescrip->buffer;
 #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */
-                memcpy((void *)address, data + len, handle->txBuffSizeAlign[0]);
+                rt_memcpy((void *)address, data + len, handle->txBuffSizeAlign[0]);
                 /* Data length update. */
                 curBuffDescrip->length = handle->txBuffSizeAlign[0];
                 len += handle->txBuffSizeAlign[0];
@@ -910,7 +910,7 @@ static status_t _ENET_SendFrame(ENET_Type *base, enet_handle_t *handle, const ui
 #else
                 address = (uint32_t)curBuffDescrip->buffer;
 #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */
-                memcpy((void *)address, data + len, sizeleft);
+                rt_memcpy((void *)address, data + len, sizeleft);
                 curBuffDescrip->length = sizeleft;
                 /* Set Last buffer wrap flag. */
                 curBuffDescrip->control |= ENET_BUFFDESCRIPTOR_TX_READY_MASK | ENET_BUFFDESCRIPTOR_TX_LAST_MASK;
diff --git a/bsp/imxrt/libraries/drivers/drv_flexspi.c b/bsp/imxrt/libraries/drivers/drv_flexspi.c
index ee731e1e13..e943dde048 100644
--- a/bsp/imxrt/libraries/drivers/drv_flexspi.c
+++ b/bsp/imxrt/libraries/drivers/drv_flexspi.c
@@ -124,7 +124,7 @@ static void flexspi_test(void)
     *(flexspi + 3) = send_buf[0];
     LOG_D("FLEXSPI Memory 32 bit Write End\n");
 
-    memset(recv_buf, 0, sizeof(recv_buf));
+    rt_memset(recv_buf, 0, sizeof(recv_buf));
 
     LOG_D("FLEXSPI Memory 32 bit Read Start\n");
     recv_buf[2] = *(flexspi + 11);
diff --git a/bsp/imxrt/libraries/drivers/drv_sdio.c b/bsp/imxrt/libraries/drivers/drv_sdio.c
index 8961b3abe3..9c756bba5a 100644
--- a/bsp/imxrt/libraries/drivers/drv_sdio.c
+++ b/bsp/imxrt/libraries/drivers/drv_sdio.c
@@ -174,7 +174,7 @@ static void _mmc_request(struct rt_mmcsd_host *host, struct rt_mmcsd_req *req)
 
     data = cmd->data;
 
-    memset(&dmaConfig, 0, sizeof(usdhc_adma_config_t));
+    rt_memset(&dmaConfig, 0, sizeof(usdhc_adma_config_t));
     /* config adma */
     dmaConfig.dmaMode = USDHC_DMA_MODE;
 #if !(defined(FSL_FEATURE_USDHC_HAS_NO_RW_BURST_LEN) && FSL_FEATURE_USDHC_HAS_NO_RW_BURST_LEN)
diff --git a/bsp/imxrt/libraries/drivers/drv_sdram.c b/bsp/imxrt/libraries/drivers/drv_sdram.c
index 5daae7c401..d8a80af0f1 100644
--- a/bsp/imxrt/libraries/drivers/drv_sdram.c
+++ b/bsp/imxrt/libraries/drivers/drv_sdram.c
@@ -34,8 +34,8 @@ int rt_hw_sdram_init(void)
 #endif
 
     /* Initializes the MAC configure structure to zero. */
-    memset(&config, 0, sizeof(semc_config_t));
-    memset(&sdramconfig, 0, sizeof(semc_sdram_config_t));
+    rt_memset(&config, 0, sizeof(semc_config_t));
+    rt_memset(&sdramconfig, 0, sizeof(semc_sdram_config_t));
 
     /* Initialize SEMC. */
     SEMC_GetDefaultConfig(&config);