The invention discloses an automatic cleaning device for a ball camera, which comprises a cleaning part, a limit sensor part, a power part and a control part, wherein the cleaning part comprises an arc wiper blade, two arc handles, a pressure arm, a rocker arm, a tension spring, a swinging arm, and the like. In the invention, a reciprocation and swinging connection rod mechanism is additionally arranged outside the ball protective cover of the camera and is driven by a direct current motor; the arc rubber wiper blade is adhered to the outside surface of the ball protective cover of the camera to repeatedly wipe the outside surface of the ball protective cover of the camera so that the purpose of cleaning the outside surface of the ball protective cover of the camera is achieved.