The formation of acne has a variety of reasons, mainly related to dietary factors, follicular sebaceous gland duct keratinization abnormalities, androgen, etc. Clinical removal of acne is mainly divided into general treatment, drug therapy and physical therapy. 1. General treatment: If the acne is relatively mild, you can choose the general treatment to pay attention to clean the skin, develop good habits, ensure adequate sleep, do not stay up late, but also should be based on a light diet, eat more fresh fruits and vegetables. 2. medication: acne is related to Propionibacterium acnes infection, you can use antibiotic ointment, such as clindamycin gel, erythromycin ointment; follicle sebaceous gland duct keratinization abnormalities is also the cause of acne formation, you can choose retinoic acid drugs, such as tazarotene cream and adapalene gel, and so on. 3. Physical therapy: Patients with moderate to severe acne can choose photodynamic therapy, which can effectively improve the inflammatory response and relieve the adverse symptoms. There are many ways to get rid of acne, but if acne seriously affects your appearance, you need to be treated under the guidance of a regular hospital. All of the above drugs need to be used under the guidance of a doctor.