Acne refers to acne in medicine. Acne pus is treated with general treatment, medication and physical therapy. 1. General treatment: acne patients should keep the affected area clean and dry, avoid scratching and excessive washing of the affected area; in daily life, we should ensure that the diet is light, and eat less high-sugar, high-fat food. 2. Medication: patients can follow the doctor’s instructions to use topical retinoic acid drugs, can regulate cell differentiation, common drugs are retinoic acid cream, tazarotene gel, etc., at the same time, you can follow the doctor’s instructions to use topical mupirocin, clindamycin, and other antibiotics, to play a bactericidal role. 3. Physical therapy: patients can also choose photodynamic therapy, through the combination of red and blue light irradiation of the local area, to play a role in destroying Propionibacterium acnes, inhibit the role of inflammatory response. If you suffer from acne, it is recommended to go to a regular hospital and deal with it under the guidance of a doctor.