Acne refers to acne in medicine. Recurrent acne on the male chin is usually due to endocrine disorders, increased secretion of androgens in the body, which stimulates excessive secretion of sebaceous glands and the formation of an anaerobic environment due to the blockage of hair follicle orifices, leading to the massive reproduction of Propionibacterium acnes, which results in the formation of acne. It can be improved by deep cleansing, improving work and rest, adjusting diet and medication. 1. Deep cleansing: Pay attention to skin cleaning, wash off facial oil with warm water regularly to avoid long-term non-cleaning or unclean resulting in clogged pores, resulting in the growth of acne. Warm water wash face cleansing, you should choose a mild cleanser, use your hands to clean the dirt of the chin, to achieve the depth of cleansing in order to avoid follicle clogging purposes. 2. Improve work and rest: work and rest on time, combine work and rest, develop a good habit of going to bed early and waking up early, to ensure adequate sleep and improve the quality of sleep. Through exercise to regulate the endocrine, exercise allows the body to sweat, promote the discharge of oil, to prevent follicle clogging. 3. Adjust the diet: pay attention to the diet to ensure nutritional intake, eat high protein, high vitamin, light, zinc-containing diet, eat less animal fat, spicy and other stimulating food, fishy food and high iodine food. 4. Medication: You can apply erythromycin ointment and clindamycin gel on your chin to inhibit the development of inflammation. It is recommended that patients go to the hospital in time, and standardize the treatment under the guidance of the doctor.