diff --git a/proxy/vmess/inbound.go b/proxy/vmess/inbound/inbound.go
similarity index 100%
rename from proxy/vmess/inbound.go
rename to proxy/vmess/inbound/inbound.go
diff --git a/proxy/vmess/outbound.go b/proxy/vmess/outbound/outbound.go
similarity index 99%
rename from proxy/vmess/outbound.go
rename to proxy/vmess/outbound/outbound.go
index b7277deb5..e593431c1 100644
--- a/proxy/vmess/outbound.go
+++ b/proxy/vmess/outbound/outbound.go
@@ -1,4 +1,4 @@
-package vmess
+package outbound
 
 import (
 	"crypto/md5"
diff --git a/proxy/vmess/vmess.go b/proxy/vmess/vmess.go
new file mode 100644
index 000000000..51036d5ca
--- /dev/null
+++ b/proxy/vmess/vmess.go
@@ -0,0 +1,12 @@
+// Package vmess contains the implementation of VMess protocol and transportation.
+//
+// VMess contains both inbound and outbound connections. VMess inbound is usually used on servers
+// together with 'freedom' to talk to final destination, while VMess outbound is usually used on
+// clients with 'socks' for proxying.
+package vmess
+
+// The actual implementation is in the following packages respectively.
+import (
+	_ "github.com/v2ray/v2ray-core/proxy/vmess/inbound"
+	_ "github.com/v2ray/v2ray-core/proxy/vmess/outbound"
+)