The occurrence of acne and excessive androgen secretion, sebum secretion, follicular hyperkeratosis catheter, Propionibacterium acnes infection, treatment of acne environmental factors, genetic factors and the sebum membrane damage. Treatment according to the following principles: to avoid inducing factors: patients should avoid sun exposure, radiation (less access to computers and television); avoid eating fragrant, sweet, spicy food and avoid oily cosmetics. The treatment: the use of oral, topical medications, photodynamic therapy. 1 oral drugs: use of anti-androgen, inhibit the sebum secretion of the drug Danshen tablets, diethylstilbestrol tablets or compound norethisterone tablets, vitamin B6 tablets; correct hair follicle mouth of the drugs, such as Viaminati; anti-acne bacteria, with mild to moderate acne tetracycline tablets can be taken orally (be careful not to take the same time with Viaminati), severe acne tablets oral minocycline, dapsone and prednisone tablets tablets. (2) topical: Victoria A selection of acid, adapalene, different dimension A acid, benzoyl peroxide, sulfur and other drugs, but cautioned that such drugs is easy on the skin irritation, damage sebum film. treatment of acne 3 Blu-ray and photodynamic therapy: to destroy bacteria. Reconstruction of sebum film: topical acne agents have a certain irritation, damage to sebum film. Therefore, the need to meet with oil control, moisturizing, soothing skin care products for the medical efficacy of adjuvant therapy, reconstruction and repair of sebum to keep skin membrane and the appropriate water, oil ratio. Adhere to adequate treatment: acne light treatment is usually in March, heavy-duty six months. Therefore, the doctor treating the patient should be asked to be patient, have confidence treatment of acne