Acne on women’s back can be due to folliculitis, acne and other factors. It can be relieved by medication and physical therapy. 1. Folliculitis: an inflammatory reaction of the hair follicles. Bacterial folliculitis is mostly caused by Staphylococcus aureus, and can be treated with topical mupirocin, fusidic acid and other drugs. Malassezia folliculitis can be treated with topical ketoconazole and other antifungal drugs. 2. Acne: It is a chronic inflammation of the sebaceous glands of the hair follicles, which can be manifested as pimples, pimples, papules and other symptoms on the back. It can be treated with topical retinoids such as adapalene gel, or azelaic acid, benzoyl peroxide, etc., and when inflammation is obvious, it can be treated with oral minocycline and other medications. Nodules, cysts and other skin lesions need oral isotretinoin and other drugs. Specifically should be timely to the hospital, clear cause, under the guidance of the doctor symptomatic treatment, specific medication need to follow the doctor’s instructions, avoid unauthorized use of drugs or treatment.