Acne is a common chronic inflammatory disease of the sebaceous glands of hair follicles, including general treatment, medication and physical therapy. 1. General treatment: acne should pay attention to cleanliness, avoid squeezing and scratching, avoid stimulating spicy food, keep bowel movement, avoid staying up all night, avoid spicy and stimulating food. 2. Drug treatment: acne can be treated by topical drugs and (or) systemic drugs, topical drugs include adapalene gel, tazarotene, azelaic acid, benzoyl peroxide, fusidic acid cream and so on, systemic drugs include isotretinoin, tetracycline, spironolactone, prednisone and so on. 3. Physical therapy: acne can also be handled by physical methods such as photodynamic therapy and red and blue light. The appearance of acne should be timely consultation, the above drugs should be used under the guidance of medical professionals to avoid adverse reactions.