Practice has proved that regardless of men and women, regardless of age, the use of black face dolls to remove wrinkles can obtain certain results, especially middle-aged women with the best results. As radium radiation promotes cellular metabolism and blood circulation, the skin becomes moist and tender, deeper wrinkles become lighter, and fine wrinkles can be flattened. The principle of black face doll treatment of skin pigmented moles and other skin disorders is to use a beam of light with almost identical phase, direction, wavelength and frequency, and when it comes into contact with the tissue and is absorbed, the light energy is converted into heat energy. It makes the tissues dry and dehydrated, causing burns and scabs on the tissues at the lesions. The direction and size of the laser beam and the time of irradiation can be precisely controlled, and no scar will be left after the operation. Therefore, black face doll cosmetic surgery has the advantage of safety and simplicity, and is worth further promoting its use. What kind of skin problems are suitable for “black face doll”: 1, excessive oil secretion, easy to form acne-type skin; 2, large pores, blackheads type of skin; 2, skin roughness, laxity, full of fine lines, yellowish type of skin; 3, coffee spots, age spots, moles, freckles type of skin; 4, acne, as well as acne scars type of skin; 5, effectively remove unwanted hair, especially for the laser skin, and the skin is not affected. Remove unwanted hair, especially for the laser is not easy to remove the fine hair effect is excellent.