Sun spots can be removed by laser method with better effect. The common way to get rid of sun spots is laser treatment, and the commonly used laser methods include picosecond laser, Q-tuned laser, carbon dioxide laser and so on. Sunspot is mainly caused by sunlight over irradiation of the skin caused by acute skin damage reaction, after the skin damage is healed, there will be localized pigmentation, the formation of sunspot. The laser method is to act on the superficial layers of epidermis and dermis of the skin by utilizing the photothermal effect to break the pigment or pigment particles into small particles, and the broken pigment particles will be eliminated through skin absorption and metabolism, so as to play the obvious effect of lightening the spots. After laser surgery, we should do a good job of skin care and strict sunscreen to prevent sun spots from recurring, and we should go to regular hospitals in time to avoid adverse consequences if there are uncomfortable symptoms after surgery.