(1) Usually pay attention to cleanliness, wash your face with an oil-eliminating cleanser every morning and evening. (2) Exfoliate at the right time every week to avoid clogged pores. (3) Regular use of collagen protein mask not only inhibits the deterioration of acne, but also makes the pores more delicate. (4) When choosing maintenance products, low or no oil gel or refreshing lotion (such as Winona, Avène Revitalizing Series) is the main choice. It is also necessary to strengthen moisturizing work to avoid the face from drying out and causing more oil secretion. (5) When the face has red inflammatory pimples, it is not advisable to exfoliate or over massage the face, which will only make the pimples worse; at this time should strengthen the intake of vitamin B complex, so that it can play an anti-inflammatory and anti-allergic effect. (6) Diet should be moderate, avoiding sweets, chili or fat-rich foods, and even baked goods such as bread and cookies in serious cases. Eat more fruits, vegetables and steamed foods. (7) Avoid the abuse of cosmetics or hormonal topical preparations. (8) Maintain regular and normal work and rest, do not stay up late, do not smoke and drink; develop a daily habit of regular bowel movements to avoid toxin deposition. (9) Once a week, you can take a bath to promote blood circulation throughout the body to speed up the elimination of toxins; at the same time, you should also exercise more, sweating will be the skin of the dirty things out, the skin will be smoother. (10) Do not squeeze the acne, external improper treatment will only cause holes and scars, if necessary, consult a specialist.