(1) Health education (1) Diet: Limit spicy and sweet foods that may trigger or aggravate acne, and eat more vegetables and fruits; (2) Daily life: Avoid staying up late, long-term exposure to computers, sun exposure, etc., pay attention to facial skin cleaning, moisturizing and reducing sebum secretion, and keep bowel movements smooth; (3) Psychological counseling: Acne patients, especially those with severe acne, are more likely to have anxiety, depression and other psychological problems. (3) Psychological counseling: Patients with acne, especially those with severe acne, are prone to anxiety, depression and other psychological problems. 2. Local cleansing Choose water or suitable cleansing products to remove excess oil, flakes and bacteria from the skin surface, but do not wash excessively. Avoid squeezing and scratching acne and inflammatory papules} and other skin lesions with your hands. 3. Daily care Some acne patients have a damaged skin barrier, and long-term oral or topical anti-acne medications such as retinoic acid often aggravate the destruction of the skin barrier and lead to skin sensitivity. Therefore, in addition to medication, physical therapy, and chemical peels, it is sometimes necessary to use efficacious skin care products in combination to maintain and repair the skin barrier function. If accompanied by skin sensitivity, topical soothing and oil-control moisturizing creams should be used, and skin care products with anti-acne effects can be used on local lesions; if the skin shows symptoms such as oily and large pores, oil-control moisturizing gel should be mainly used.