<p>The present invention is a technology related to an ultrasonic washer capable of simply washing various vegetables or fruits to enable them to be safely ingested. The ultrasonic washer includes a case having a hollow space inside; one or more outlets formed at one side surface of the case to be opened; an ultrasonic vibrator embedded in the case; a motor provided inside the case; a propeller coupled to a rotary shaft of the motor, and facing the outlet; a battery provided inside the case, and supplying power to the ultrasonic vibrator and the motor; and a control unit.</p>
