Acne on the chest should be selected according to the cause of the drug, if it is acne can be used Adapalene gel, Vitamin A cream; folliculitis can be used erythromycin ointment, mupirocin ointment; herpes simplex can be used externally acyclovir ointment, Penciclovir cream and so on. 1. acne: and androgen secretion, follicular duct hyperkeratosis, Propionibacterium acnes reproduction, may lead to chest acne, you can use adapalene gel, retinoic acid cream, fusidic acid cream and other drugs treatment. 2. Folliculitis: folliculitis caused by bacterial infection of the skin follicles on the chest can also lead to chest acne, you can use topical erythromycin ointment, mupirocin ointment and other antibiotic drugs to treat. 3. Herpes simplex: Herpes simplex virus infection caused by chest acne can be used topical acyclovir ointment, penciclovir ointment and other antiviral drugs. It is recommended to go to the hospital for examination and treatment as prescribed by the doctor.