Acne, often referred to as “pimples,” is a chronic inflammatory skin disease of the hair follicles and sebaceous glands that is common during adolescence. After puberty, many people unknowingly get a lot of bumps on their face or chest and back, sometimes accompanied by itching and pain, and black ones called blackheads. Temporary hyperpigmentation or concave scars may appear after rupture or absorption. A few severe red bumps can appear as larger soft cysts or abscesses, which leave more obvious scars after breaking down and healing, making the facial skin uneven and unsightly with varying shades of color. In addition, due to the difference in androgen levels, acne is generally more severe in men than in women, and more difficult to cure. The principles of treatment in Western medicine are: exfoliation, dissolution of keratin, sterilization and anti-inflammation. 1, general care warm water, sulfur soap washing, avoid squeezing, scratching, avoid cosmetics containing too much oil and powder or hormonal drugs, diet regulation. 2, acne, papules, pustules mainly: local medication is the main. Such as 0.05%~0.1% retinoic acid cream (gel or solution), 2.5%~10% benzoyl peroxide preparation, 1% clotrimazole solution, etc. 3, internal drug treatment: (1) antibiotics tetracycline or erythromycin. (2) Vitamin A acid is used for cystic and polymeric sores (teratogenic). (3) Estrogens. (4) Glucocorticoids are used only for severe nodular, cystic, and acne vulgaris. All of these drugs have many side effects and need to be used under the guidance of a doctor. (4) Physical therapy: Acne squeezer to squeeze out the acne contents, mask. Another relatively simple topical medication is to smash 6 tablets of metronidazole into a furnace glycolic lotion and shake it well for external use. Vitamin A cream is also a common topical medication for acne, but it can only be used at night. 5.Other therapies (1) Cryotherapy can be used for general lesions by spraying, and contact method can be used for nodular and cystic lesions. (2) Surgical therapy For some serious infections that form abscesses, surgical incision and drainage of pus can be performed. For the hyperplastic or depressed scar left after acne, skin grinding can be used for treatment. Chinese medicine mainly adopts the methods of clearing heat and dispelling wind, cooling blood and relieving dampness. For internal use, 9 grams of loquat leaves, 9 grams of mulberry skin, 9 grams of bitter ginseng, 12 grams of red herbs, 10 grams of dandan bark, 9 grams of chrysanthemum flowers and 9 grams of raw herbs can be used in a daily decoction. For dry stools, add 6-10 grams of wine rhubarb at discretion; for nodular cysts, add 10 grams of mother-of-pearl and 6 grams of lingxiaohua at discretion. External treatment can be used upside down, every night with tea after applying the affected area, wash off during the day. Simple methods are also available: ① 15-30 grams of white flowering snake grass, add water decoction for internal use, one dose daily or every other day, twice a day. ②Cactus, pounded and applied to the affected area. Two times a day. ③30 grams each of fresh amaranth, dandelion and chrysanthemum, 10 grams of beehive, decocted in water and left to warm, then wash the affected area twice a day. ④30 grams each of fresh acacia leaves and loofah leaves, pounded and applied to the affected area.