Disclosed in the present invention is a wall-mounted ultrasonic washing device, comprising a body which is mounted on a wall, the body being provided thereon with at least one from among an ultrasonic generating device and a cleaning tank which is used for holding a cleaning liquid. The ultrasonic generating device is provided with an ultrasonic vibration end that generates ultrasonic vibrations, the ultrasonic vibration end being located at an upper side of the cleaning tank and facing the cleaning tank; clothes to be washed are placed between the ultrasonic generating device and the cleaning tank, and are soaked with the cleaning liquid, an upper surface of the clothes to be washed being in contact with the ultrasonic vibration end so as to be cleaned. The wall-mounted ultrasonic washing device of the present invention is convenient to install and takes up little space; the ultrasonic vibration end of the ultrasonic generating device is in direct contact with soaked clothes to be washed, which may greatly r
