Acne is usually caused by heredity, Propionibacterium acnes infection or androgen secretion, etc. Patients can remove it through general treatment, medication, physical therapy or chemotherapy under the guidance of doctors. 1. General treatment: First of all, patients are advised to choose oil-control cleansing products, avoid eating foods with high sugar content and large oil, avoid staying up late and keep the bowels unclogged. 2. Medication: patients can use topical metronidazole gel, fusidic acid cream or mupirocin ointment and other antibiotic drugs to carry out anti-inflammatory treatment. 3. Physical therapy: patients can use photodynamic therapy or LED red and blue light therapy to improve acne. 4. Chemotherapy: Patients can also use chemical peeling agents containing salicylic acid and resorcinol to improve acne. For patients with acne, it is recommended to go to regular hospitals for examination in time and standardized treatment under the guidance of professional doctors.