Chin acne, consider and cleaning improper, long-term bad habits, sebum secretion more related. It is recommended to pay attention to diet, improve bad habits, and give medication to regulate if necessary. 1. Improper cleansing: use of inappropriate cosmetics, make-up removal is not thorough, the residue of cosmetics clogged pores to form pimples. It is recommended to choose the right toiletries and pay attention to skin care, which can help to improve. 2. Long-term bad habits: often work overtime and stay up late, intake of high-fat, greasy food, resulting in increased secretion of body fat, follicle mouth blockage, can also lead to localized acne. Usually light and warm diet, reduce the intake of stimulating greasy food, can reduce sebum secretion. 3. High sebum secretion: affected by genetic factors, abnormal oil secretion leads to localized acne. If accompanied by bacterial infection, drugs such as fusidic acid can be given. The chin acne, consider and the above factors related. If necessary, go to the dermatology department of the hospital, and use medication under the guidance of the doctor to regulate.