Acne can be treated by improving lifestyle, paying attention to facial cleansing, physical therapy or using medication. 1. Improve lifestyle: Acne patients are advised to avoid staying up late, get enough sleep, exercise regularly, and eat a light diet, avoiding oily, high-sugar foods and dairy products. 2. Pay attention to facial cleansing: acne patients should also pay attention to cleaning the excess oil on the face, you can use warm water to wash your face to avoid further irritation of the facial skin. 3. Physical therapy: photodynamic or red and blue light can be used for treatment. 4. Use of medication: patients with moderate to severe acne can be treated with oral retinoids such as isotretinoin capsules, antibiotics such as doxycycline, and anti-androgen therapy for women under the guidance of a doctor. It is recommended that once acne occurs, patients should consult a doctor to complete the relevant examinations and then standardize the treatment. At the same time, it is recommended that the medication may have side effects and should be used under the guidance of a doctor.