Cystic acne is medically called acne, which is a chronic inflammatory skin disease based on hair follicles sebaceous glands, and the treatment includes general treatment, topical medication, oral medication and other ways. 1. General treatment: improve personal habits, wash your face with warm water cleanser when necessary, eat more vegetables and fruits rich in vitamins and fiber, and go to bed on time to avoid staying up late. Maintaining good living habits and a healthy mental state can help alleviate the symptoms of acne. 2. Topical medication: Topical medication is mainly for excessive sebum secretion, follicle sebaceous gland duct blockage, bacterial infection and inflammatory reaction. You can use topical retinoic acid ointment, such as adapalene gel, tazarotene gel, antibiotic ointment, such as erythromycin, clindamycin, chloramphenicol, and so on, according to the doctor’s prescription. 3. Oral medication: If the effect of single use of topical drugs is not good, you can follow the doctor’s instructions to take oral antibiotics, preferred tetracycline, such as minocycline. If acne occurs, it is recommended to go to the hospital, under the guidance of the doctor’s treatment.