diff --git a/components/bt/bluedroid/btc/core/btc_task.c b/components/bt/bluedroid/btc/core/btc_task.c
index 773d7889b..a245f54d2 100644
--- a/components/bt/bluedroid/btc/core/btc_task.c
+++ b/components/bt/bluedroid/btc/core/btc_task.c
@@ -120,7 +120,7 @@ bt_status_t btc_transfer_context(btc_msg_t *msg, void *arg, int arg_len, btc_arg
 int btc_init(void)
 {
     xBtcQueue = xQueueCreate(BTC_TASK_QUEUE_NUM, sizeof(btc_msg_t));
-    xTaskCreate(btc_task, "Btc_task", BTC_TASK_STACK_SIZE, NULL, BTC_TASK_PRIO, &xBtcTaskHandle);
+    xTaskCreatePinnedToCore(btc_task, "Btc_task", BTC_TASK_STACK_SIZE, NULL, BTC_TASK_PRIO, &xBtcTaskHandle, 0);
 
     /* TODO: initial the profile_tab */
 
diff --git a/components/bt/bluedroid/hci/hci_hal_h4.c b/components/bt/bluedroid/hci/hci_hal_h4.c
index eb78cab5d..e62145042 100644
--- a/components/bt/bluedroid/hci/hci_hal_h4.c
+++ b/components/bt/bluedroid/hci/hci_hal_h4.c
@@ -102,7 +102,7 @@ static bool hal_open(const hci_hal_callbacks_t *upper_callbacks)
     hci_hal_env_init(HCI_HAL_SERIAL_BUFFER_SIZE, SIZE_MAX);
 
     xHciH4Queue = xQueueCreate(HCI_H4_QUEUE_NUM, sizeof(BtTaskEvt_t));
-    xTaskCreate(hci_hal_h4_rx_handler, HCI_H4_TASK_NAME, HCI_H4_TASK_STACK_SIZE, NULL, HCI_H4_TASK_PRIO, &xHciH4TaskHandle);
+    xTaskCreatePinnedToCore(hci_hal_h4_rx_handler, HCI_H4_TASK_NAME, HCI_H4_TASK_STACK_SIZE, NULL, HCI_H4_TASK_PRIO, &xHciH4TaskHandle, 0);
 
     //register vhci host cb
     esp_vhci_host_register_callback(&vhci_host_cb);
diff --git a/components/bt/bluedroid/hci/hci_layer.c b/components/bt/bluedroid/hci/hci_layer.c
index 747a58295..14a36eac8 100644
--- a/components/bt/bluedroid/hci/hci_layer.c
+++ b/components/bt/bluedroid/hci/hci_layer.c
@@ -109,7 +109,7 @@ int hci_start_up(void)
     }
 
     xHciHostQueue = xQueueCreate(HCI_HOST_QUEUE_NUM, sizeof(BtTaskEvt_t));
-    xTaskCreate(hci_host_thread_handler, HCI_HOST_TASK_NAME, HCI_HOST_TASK_STACK_SIZE, NULL, HCI_HOST_TASK_PRIO, &xHciHostTaskHandle);
+    xTaskCreatePinnedToCore(hci_host_thread_handler, HCI_HOST_TASK_NAME, HCI_HOST_TASK_STACK_SIZE, NULL, HCI_HOST_TASK_PRIO, &xHciHostTaskHandle, 0);
 
     packet_fragmenter->init(&packet_fragmenter_callbacks);
     hal->open(&hal_callbacks);
diff --git a/components/bt/bluedroid/stack/btu/btu_init.c b/components/bt/bluedroid/stack/btu/btu_init.c
index 0f13e318a..2ed561bcf 100644
--- a/components/bt/bluedroid/stack/btu/btu_init.c
+++ b/components/bt/bluedroid/stack/btu/btu_init.c
@@ -201,7 +201,7 @@ void BTU_StartUp(void)
     }
 
     xBtuQueue = xQueueCreate(BTU_QUEUE_NUM, sizeof(BtTaskEvt_t));
-    xTaskCreate(btu_task_thread_handler, BTU_TASK_NAME, BTU_TASK_STACK_SIZE, NULL, BTU_TASK_PRIO, &xBtuTaskHandle);
+    xTaskCreatePinnedToCore(btu_task_thread_handler, BTU_TASK_NAME, BTU_TASK_STACK_SIZE, NULL, BTU_TASK_PRIO, &xBtuTaskHandle, 0);
     btu_task_post(SIG_BTU_START_UP);
     /*
         // Continue startup on bt workqueue thread.