After the optical lens has undergone rough grinding, fine grinding, polishing, edging and other processes, with the help of the "cavitation effect" cleaning technology of the optical ultrasonic cleaning machine, the cleaning problems before lens coating, gluing, and assembly can be solved . Optical ultrasonic cleaning machine can be widely used in cleaning of glass lenses, resin lenses, microscopes, telescopes, camera lenses, coated glass, prisms, lenses and other optical products.