Acne is a chronic inflammatory disease of the hair follicles and sebaceous glands. It is characterized by acne, papules, pustules, nodules, cysts and scarring, often accompanied by seborrhea, and is most common in adolescence, with a prevalence of over 80% in adolescents aged 11-25. If left untreated or improperly treated, it can leave lifelong scarring and pigmentation, thus affecting the appearance. 1. Etiology 1. High androgen secretion 2. Increased sebum secretion 3. Hyperkeratosis at the opening of the sebaceous glands of hair follicles 4. Propionibacterium acnes infection 5. Second, the principle of treatment is mainly to remove sebum, dissolve keratin, sterilization, anti-inflammatory and regulate hormone levels. At present, acne treatment is based on a comprehensive treatment method, which can treat acne more quickly and effectively and reduce complications and sequelae. 1, oral Chinese and Western medicine to regulate sebum secretion and prevent recurrence 2, with LED red and blue light to quickly kill Propionibacterium acnes and promote skin repair 3, antibacterial and anti-inflammatory Chinese medicine mask, swelling and pain relief 4, if there are pigmentation marks can be ultrasonic import whitening fade 5, there are acne pits can be fractional laser treatment acne scarring, the effect is remarkable