Acne is generally referred to as acne, which can be treated with topical medication, systemic medication, phototherapy, chemical peeling therapy, etc. For mild acne, topical retinoids can be used, such as first-generation isotretinoin and third-generation retinoic acid cream. 1. Topical medication: For mild acne, topical retinoids can be used, such as first-generation isotretinoin and third-generation retinoic acid cream, etc.; if the inflammation is obvious, benzoyl peroxide can be used topically to kill Propionibacterium acnes and dissolve the acne; azelaic acid cream can also be used to control inflammation, dissolve acne, and also reduce post-acne hyperpigmentation. 2. Systemic medication: timely anti-inflammatory treatment is needed, oral antibiotic treatment, such as doxycycline, minocycline, etc.; patients with hyperandrogenic manifestations, oral anti-androgen medication, such as spironolactone, birth control pills, etc.; for the more serious outbreaks of acne, oral glucocorticoid treatment, such as prednisone. 3. Phototherapy: according to the condition, blue light, red light, intense pulsed light and other light therapy can be taken reasonably. 4. Chemical exfoliation therapy: can take fruit acid, salicylic acid and other drugs, to assist in the treatment. It is recommended that patients usually pay attention to skin hygiene and cleanliness, to ensure sleep, diet to light and easy to digest the main, medication, strictly comply with the doctor’s instructions to use drugs, not blindly self-medication, to avoid adverse reactions.