The utility model provides an ultrasonic atomization optical cosmetic instrument. The ultrasonic atomization optical cosmetic instrument comprises a cosmetic instrument shell and a box and further comprises an atomization piece, wherein the box is arranged in the cosmetic instrument shell, and the center of the atomization piece protrudes outward and is in the shape of an arc-shaped protrusion. An improved atomizer can release a large amount of spray in a short time, so that a user can make the skin fully moisturized by only spending less time every time moreover, the probability that the opening of the piece is blocked is reduced, and thus the service life of the atomizer is prolonged.
