diff --git a/hypervisor/debug/console.c b/hypervisor/debug/console.c
index 65aa2b20e..f944f46ef 100644
--- a/hypervisor/debug/console.c
+++ b/hypervisor/debug/console.c
@@ -22,7 +22,8 @@ struct hv_timer console_timer;
 
 #define CONSOLE_KICK_TIMER_TIMEOUT  40UL /* timeout is 40ms*/
 /* Switching key combinations for shell and uart console */
-#define GUEST_CONSOLE_TO_HV_SWITCH_KEY      0       /* CTRL + SPACE */
+#define GUEST_CONSOLE_ESCAPE_KEY	0x0 /* the "break", put twice to send "break" to guest */
+#define GUEST_CONSOLE_TO_HV_SWITCH_KEY  'e' /* escape + e to switch back to hv console */
 uint16_t console_vmid = CONFIG_CONSOLE_DEFAULT_VM;
 
 /* if use INIT to kick pcpu only, if not notification IPI still is used for sharing CPU */
@@ -112,16 +113,35 @@ static void vuart_console_rx_chars(struct acrn_vuart *vu)
 		if (ch == -1)
 			break;
 
-		if (ch == GUEST_CONSOLE_TO_HV_SWITCH_KEY) {
-			/* Switch the console */
-			console_vmid = ACRN_INVALID_VMID;
-			printf("\r\n\r\n ---Entering ACRN SHELL---\r\n");
-			break;
+		if (vu->escaping) {
+			vu->escaping = false;
+			switch (ch) {
+				case GUEST_CONSOLE_ESCAPE_KEY:
+					vuart_putchar(vu, ch);
+					vu->lsr |= LSR_BI;
+					recv = true;
+					break;
+				case GUEST_CONSOLE_TO_HV_SWITCH_KEY:
+					/* Switch the console */
+					console_vmid = ACRN_INVALID_VMID;
+					printf("\r\n\r\n ---Entering ACRN SHELL---\r\n");
+					/* following inputs are for hv, don't handle in this loop */
+					goto exit;
+				default:
+					printf("Unknown escaping key: '%c'\r\n", ch);
+					break;
+			}
+		} else {
+			if (ch == GUEST_CONSOLE_ESCAPE_KEY) {
+				vu->escaping = true;
+			} else {
+				vuart_putchar(vu, ch);
+				recv = true;
+			}
 		}
-
-		vuart_putchar(vu, ch);
-		recv = true;
 	}
+
+exit:
 	if (recv) {
 		vuart_toggle_intr(vu);
 	}
diff --git a/hypervisor/dm/vuart.c b/hypervisor/dm/vuart.c
index c266f4850..8e4ebf06c 100644
--- a/hypervisor/dm/vuart.c
+++ b/hypervisor/dm/vuart.c
@@ -135,7 +135,7 @@ static uint8_t vuart_intr_reason(const struct acrn_vuart *vu)
 {
 	uint8_t ret;
 
-	if (((vu->lsr & LSR_OE) != 0U) && ((vu->ier & IER_ELSI) != 0U)) {
+	if (((vu->lsr & (LSR_OE | LSR_BI)) != 0U) && ((vu->ier & IER_ELSI) != 0U)) {
 		ret = IIR_RLS;
 	} else if ((fifo_numchars(&vu->rxfifo) > 0U) && ((vu->ier & IER_ERBFI) != 0U)) {
 		ret = IIR_RXTOUT;
@@ -499,7 +499,7 @@ uint8_t vuart_read_reg(struct acrn_vuart *vu, uint16_t offset)
 			}
 			reg = vu->lsr;
 			/* The LSR_OE bit is cleared on LSR read */
-			vu->lsr &= ~LSR_OE;
+			vu->lsr &= ~(LSR_OE | LSR_BI);
 			break;
 		case UART16550_MSR:
 			/*
@@ -655,6 +655,7 @@ void init_legacy_vuarts(struct acrn_vm *vm, const struct vuart_config *vu_config
 			vu->irq = vu_config[i].irq;
 			if (vuart_register_io_handler(vm, vu->port_base, i) != 0U) {
 				vu->active = true;
+				vu->escaping = false;
 			}
 			/*
 			 * The first vuart is used for VM console.
@@ -674,6 +675,7 @@ void deinit_legacy_vuarts(struct acrn_vm *vm)
 	for (i = 0U; i < MAX_VUART_NUM_PER_VM; i++) {
 		if (vm->vuart[i].port_base != INVALID_COM_BASE) {
 			vm->vuart[i].active = false;
+			vm->vuart[i].escaping = false;
 			if (vm->vuart[i].target_vu != NULL) {
 				vuart_deinit_connection(&vm->vuart[i]);
 			}
@@ -696,6 +698,7 @@ void init_pci_vuart(struct pci_vdev *vdev)
 	vm_cfg->vuart[idx].t_vuart.vuart_id = pci_cfg->t_vuart.vuart_id;
 
 	vu->active = true;
+	vu->escaping = false;
 	if (pci_cfg->vuart_idx != 0U) {
 		vuart_setup_connection(vm, &vm_cfg->vuart[idx], idx);
 	}
@@ -707,6 +710,7 @@ void deinit_pci_vuart(struct pci_vdev *vdev)
 	struct acrn_vuart *vu = vdev->priv_data;
 
 	vu->active = false;
+	vu->escaping = false;
 	if (vu->target_vu != NULL) {
 		vuart_deinit_connection(vu);
 	}
diff --git a/hypervisor/include/dm/vuart.h b/hypervisor/include/dm/vuart.h
index ea3828556..49d9f85f7 100644
--- a/hypervisor/include/dm/vuart.h
+++ b/hypervisor/include/dm/vuart.h
@@ -75,6 +75,7 @@ struct acrn_vuart {
 	char vuart_tx_buf[TX_BUF_SIZE];
 	bool thre_int_pending;	/* THRE interrupt pending */
 	bool active;
+	bool escaping;		/* in escaping sequence, for console vuarts */
 	struct acrn_vuart *target_vu; /* Pointer to target vuart */
 	struct acrn_vm *vm;
 	struct pci_vdev *vdev;	/* pci vuart */