The disease is common in adolescence, but is not completely limited by age stage, and can develop in almost all age groups, from children to adults. About 80% to 90% of the population has or has had the disease to a greater or lesser extent. It usually occurs on the face, neck, chest and back, shoulders and upper arms. It is a chronic inflammatory skin disease of the sebaceous units of the hair follicles and is clinically characterized by whiteheads, blackheads, inflammatory papules, pustules, nodules, and cysts. Acne is a skin disease that is generally associated with endocrine disorders and high androgen secretion. It is important to receive treatment from a regular dermatology hospital to regulate the endocrine system and balance the androgens in the body, as long as the treatment is adhered to, it is generally curable. Women can use moisturizing face wash, do not use cosmetics; excessive facial oil secretion can be properly cleaned with sulfur soap saline. But some serious people use sulfur soap to clean, will cause damage to the skin. The prevention of acne is very important, usually should pay attention to the following aspects: 1, spiritual and psychological factors are very important: regular life, pay attention to rest, relax, reduce stress, and strive to improve the quality of sleep; 2, diet: eat less spicy, fatty and sweet food; eat less “hairy” (such as dogs, mutton, etc.), eat more vegetables, fruits, increase vitamins, keep the bowels open. 3, life: it is best not to smoke, not to drink alcohol and strong tea, less sun, avoid sand, too cold, too hot, too humid places are also not good for acne. 4, pay attention to cleanliness: for head folliculitis, do not scratch hard when washing your hair, and do not wash your hair too often, 3-4 times a week is appropriate; 5, active physical exercise: improve body resistance.