Chloasma for men is a pigmentation disease caused by various factors, which may be related to sun exposure, heredity and hormone level, and can be improved by daily protection, topical medication and laser treatment. 1. Daily protection: sunlight is the primary triggering factor, sunscreen should be applied externally, and sunscreen hats and umbrellas should be used to protect the skin at the same time. 2. Topical medication: you can choose the preparation containing hydroquinone, the general concentration of 2%~5%, with pigment peeling effect, and at the same time, you can use topical retinoic acid preparations, which can enhance the effect of hydroquinone. 3. Laser treatment: Q-switched ruby laser or intense pulsed light can be chosen, but attention should be paid to repair and sun protection after treatment. It is recommended that patients go to the hospital in a timely manner, under the guidance of a professional physician for standardized treatment, the use of drugs need to follow the doctor’s instructions to avoid self-medication.