Marks on the face may be caused by post-inflammatory discoloration, which can be removed by paying attention to sun protection, laser treatment and chemical peeling. 1. Attention to sun protection: In daily life, good moisturizing and sun protection work, in about 3 to 6 months can slowly fade and disappear. 2. Laser treatment: use laser to selectively destroy melanin, break down the pigment under the skin into the smallest particles, and discharge them out of the body with the metabolic absorption of the skin, so as to achieve the purpose of removing the marks. After laser, avoid sunlight and ultraviolet radiation, do a good job of post-laser repair. 3. Chemical peeling: you can use fruit acid or salicylic acid for chemical peeling, stimulate skin turnover, promote skin metabolism. It is recommended to go to the regular hospital in time to choose the appropriate way to deal with the marks on the face as prescribed by the doctor to help remove them.