Acne is a common dermatological condition that occurs in adolescence. It is a chronic inflammation of the sebaceous glands of hair follicles and often leaves scarring of varying degrees after healing, including hyperplastic scarring and atrophic scarring, with atrophic scarring, or acne pits, being more difficult to treat. At present, the main choice is fractional laser treatment, through the treatment, reduce the fall of the pit and normal skin surface, so as to achieve satisfactory results. This method is widely used, and the treatment is also more mature and effective. However, it is generally recommended to combine this treatment with other treatments to improve the effect of acne mark removal, for example, you can improve the treatment with fruit acid peeling at the same time. If you simply use fractional laser treatment, it is about 5 weeks to apply fractional laser once, generally need 3-5 times of treatment. It is recommended to check and treat in the dermatology department of a regular hospital to get the desired results. Acne mainly develops during adolescence, and most people’s symptoms will gradually reduce or disappear after puberty. In addition, it is important to live a regular life, avoid spicy and stimulating, greasy food, and you can eat more food rich in vitamin C or vitamin E. Also, avoid direct sunlight. Do not squeeze after the treatment, otherwise it will be easily infected and leave scars.