Acne is known as acne vulgaris, and can be treated with general treatment, medication and physical therapy as prescribed by the doctor. 1. General treatment: It is recommended that acne patients maintain a stable and sufficient sleep time, avoid spicy and stimulating foods, and maintain a light diet. Keep the facial skin hygienic and dry, avoid scratching and pressing the affected area. 2. Medication: Patients can use adapalene gel, tazarotene gel and other retinoids to apply to the affected area to regulate the differentiation of epidermal keratinocytes for treatment. 3. Physical therapy: severe patients can be photodynamic therapy, if there are mild or moderate lesions, can be combined with red and blue light irradiation, eliminating the local Propionibacterium acnes, reducing the inflammatory response, and promoting the elimination of acne. It is recommended that acne patients take good care of the affected area and follow the doctor’s instructions to choose the appropriate way of treatment.