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, life should be regular, less stay up late, ensure sufficient sleep, maintain mental and emotional stability, avoid work, study too much tension. Pay attention to the working environment, do not work too long in a humid, hot and stuffy environment, try to avoid contact with industrial oil, asphalt, halogen, 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, halogenated elements of drugs (iodine, bromine) anti-tuberculosis drugs, anti-epileptic drugs, Wit B12 and other possible effects on their own. 5, do not listen to false advertising, buy their 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 injury 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, because this thing needs to stop more than two years to get pregnant, such as not clear about its content and application, it may have fertility and child health There are effects. 6, female acne is closely related to the menstrual cycle, for female acne patients over 30 years old, attention needs to be paid to exclude (uterine fibroids, ovarian cysts, etc.). 7, life should also pay attention to sun protection, do not explode the sun, drink more water, do more physical exercise and other sports, wash away powder cosmetics before exercise to prevent blocking the mouth of the hair follicle. The treatment course of acne are long, it is recommended that patients should adhere to the maintenance treatment.