Acne is a very common skin disease in dermatology. Although its clinical manifestations are diverse, such as acne, inflammation, papules, pustules, nodules, cysts and even scarring, there are specific treatment plans for each different type of acne lesion, so acne is well treated. For acne, topical medications such as adapalene, tazarotene gel and other retinoids, as well as fruit acid peels are also very effective; for inflammatory lesions there are anti-inflammatory drugs and topical medications; for severe nodular cystic acne, in addition to oral and topical medications, photodynamic therapy is also very effective; for acne that is not treated properly and scars or keloids appear, fractional lasers and other means can achieve Relatively ideal results. In addition to the treatment plan, to achieve very good results, acne also requires close cooperation from the patient, mainly to do the following: 1, pay attention to diet, spicy, stimulating, fried, greasy food should not be eaten or used sparingly; 2, never pick, squeeze, stimulate the lesions, repeated picking, squeezing, stimulation will easily leave scars; 3, because acne is an inflammatory disease, treatment requires adherence to a sufficient course of treatment. At least one month or more, or even 2-3 months, is required. For relatively light acne lesions, topical adapalene can be used for a long time to maintain treatment. Therefore, the key to good acne treatment lies in the doctor’s formulation of a reasonable plan and the patient’s close cooperation and ability to adhere to the treatment.