Blackheads and acne can be treated with retinoids, azelaic acid drugs, benzoyl peroxide and so on. 1. Vitamin A acid drugs: with the promotion of the normal shedding of epidermis on the hair follicle, keratolysis, inhibition of sebum secretion, anti-inflammatory effect, helps to dissolve and exclude acne, common drugs are adapalene gel, tazarotene gel, etc.. 2. Azelaic acid drugs: with the inhibition of fungi, dissolve the role of acne, help to reduce the epidermis, hair follicle flora, but also can reduce the inflammation of hyperpigmentation, common drugs have azelaic acid cream. 3. Benzoyl peroxide: Benzoyl peroxide can slowly release new ecological oxygen and benzoic acid, with killing Propionibacterium acnes, anti-inflammatory and mildly dissolving acne, can be used as the first choice of topical antimicrobial drugs for inflammatory acne, can be used alone, or combined with topical vitexin or topical antibiotic use. Acne patients in addition to the manifestation of blackheads and pimples, often combined with pustular herpes, can be added to the use of topical antibacterial drugs, in severe cases, in addition to external drugs, but also under the guidance of the doctor’s oral antibiotics, Vitamin A acid and other medications, it is recommended that patients go to the regular hospital for examination, during which you need to comply with the doctor’s instructions to use the medication, and do not take medication without authorization.