The invention discloses a wireless video monitoring system for railway shunting operation, and relates to a wireless video monitoring system which comprises a fixed monitoring device arranged inside a shunting monitoring room, and a moving monitoring device arranged outside a room, wherein the fixed monitoring device comprises a stream media server I, a decoder I, a display I, a hard disc video and a high gain AP I; the moving monitoring device comprises a stream media server II, a decoder II, a display II, a high gain AP II, a high gain AP III, front cameras in front of a locomotive, rear cameras behind the locomotive, and moving cameras. A shunting driver can watch the front and rear situations of the locomotive and the situations of shunting operators through the display device of the moving monitoring device, images can be also transmitted to the fixed monitoring device inside the shunting monitoring room through the moving monitoring device, a yardmaster can monitor the shunting situation in the monitoring room, and by the adoption of the wireless video monitoring system for railway shunting operation, the whole shunting operation process is visible, the security of shunting operation is ensured, and the shunting operation efficiency is improved.