Recurrent chin acne needs to be treated according to its causes, such as acne, folliculitis, etc. After clear diagnosis, choose topical medication and physical therapy. 1. Acne: Keratinization of follicular sebaceous gland ducts, propagation of Propionibacterium acnes, and exuberant secretion of sebaceous glands can induce acne and cause recurrent chin pimples. Treatment can use retinoic acid ointment, adapalene gel, benzoyl peroxide, fusidic acid and other drugs used externally, combined with minocycline and other drugs taken orally when the inflammation is significant, or combined with red and blue light and other physical therapy to inhibit the reproduction of Propionibacterium acnes. 2. Folliculitis: repeated chin acne may also be localized follicle inflammation, you can use erythromycin ointment, mupirocin ointment and other topical, and do a good job of local cleaning. It is recommended that patients go to the hospital in a timely manner, in accordance with the doctor’s instructions to take a standardized treatment program, not to use drugs indiscriminately, so as not to lead to adverse consequences.