Sun spots are similar to clinical sun spots, which are formed due to excessive exposure of the skin to ultraviolet rays, resulting in melanin deposition. The first thing to do in treatment is to do a good job in sun protection, followed by medication or laser treatment. 1. Do a good job of sun protection: ultraviolet radiation can promote the formation of melanin in the skin, thus aggravating the pigmentation. Therefore, it is suggested that patients should avoid exposure to sunlight and wear sunshade and sunscreen products when going out. 2. Drugs or laser treatment: Commonly used drugs for skin pigmentation include hydroquinone cream, retinoic acid cream and so on. Commonly used laser treatments include intense pulse laser, picosecond, ruby laser or alexandrite laser. When sun spots appear on the patient’s skin, in addition to strict sun protection, it is recommended that patients who have the will to be treated should go to regular hospitals for symptomatic treatment under the guidance of professional doctors.