1, eat less candy, sweets, chocolate, ice cream, fried meat skewers, high-fat food, and chili, onion, garlic, and other spicy stimulating food, eat more vegetables and fruits. 2, keep a relaxed mood, regular rest time, not long-term overtime application computer, watching TV, must wash your face before bed. 3, it is strictly forbidden to squeeze acne, blackheads and pimples with your hands, and strictly follow the sterilization of sterile instruments. 4, avoid the use of acne-inducing drugs, such as hormones.