Acne patients need to pay attention to some of the following aspects of prevention and treatment: 1. Patients should pay attention to a light, vegetarian diet, and take more supplements containing more fiber foods. Eat less sweets, greasy, spicy seafood, beef and other dry foods. Pay attention to keep the bowels open to prevent constipation. If you have menstrual disorders, you should actively treat them. 2. Have a regular life, stay up less, ensure sufficient sleep, maintain mental and emotional stability, avoid work, study too much tension. Work environment should be careful not to work too long in a humid, hot environment, try to avoid contact with industrial oil, asphalt, halogens, etc.; 3, facial sebum, greasy obvious should use warm water and suitable oil-control cleanser to wash the face, keep the face clean, try to avoid the use of powder cosmetics; 4, the usual medication should be careful, pay attention to the systemic use of drugs androgens, contraceptives, corticosteroids 5, do not listen to false advertising, buy your own medicine, because you do not know which ingredients contained in it, whether it will cause allergies or use for a long time on the skin irritation damage or dependence, more importantly, some women want to get married and have children, such as long-term use or external application of acne products containing retinoic acid 6, female acne and menstrual cycle is closely related, for more than 30 years old female acne patients, need to pay attention to exclude (fibroids, ovarian cysts, etc.); 7, life also pay attention to sun protection, do not explode the sun, can drink more water, do more physical exercise and other sports The first thing to do is to wash off powder cosmetics before exercise to prevent blocking the hair follicle opening. The treatment course of acne is long, and it is recommended that patients should adhere to maintenance treatment.