diff --git a/components/lwip/Kconfig b/components/lwip/Kconfig
index 9a2314af..ce494062 100644
--- a/components/lwip/Kconfig
+++ b/components/lwip/Kconfig
@@ -25,6 +25,14 @@ config LWIP_GLOBAL_DATA_LINK_IRAM
     help
         Link LWIP global data(.bss .data COMMON) from DRAM to IRAM.
 
+config TCPIP_RECVMBOX_SIZE
+    int "TCPIP task receive mail box size"
+    default 32
+    range 6 64
+    help
+        Set TCPIP task receive mail box size. Generally bigger value means higher throughput
+        but more memory. The value should be bigger than UDP/TCP mail box size.
+
 menu "ARP"
 
 config LWIP_ARP_TABLE_SIZE
diff --git a/components/lwip/port/esp8266/include/lwipopts.h b/components/lwip/port/esp8266/include/lwipopts.h
index 757eaf5b..f886a994 100644
--- a/components/lwip/port/esp8266/include/lwipopts.h
+++ b/components/lwip/port/esp8266/include/lwipopts.h
@@ -1246,7 +1246,7 @@ void *memp_malloc_ll(size_t type);
  * The queue size value itself is platform-dependent, but is passed to
  * sys_mbox_new() when tcpip_init is called.
  */
-#define TCPIP_MBOX_SIZE                 16
+#define TCPIP_MBOX_SIZE                 CONFIG_TCPIP_RECVMBOX_SIZE
 
 /**
  * Define this to something that triggers a watchdog. This is called from