Sebaceous cysts can be treated by keeping the wound dry, using antibiotics and surgical treatment. 1. Keeping the wound dry: patients with sebaceous cysts with pus need to keep the wound area dry and avoid getting wet to prevent further deterioration of the inflammation. 2. Use of antibiotics: sebaceous cysts broken pus can be prescribed the use of antibiotics, such as cefuroxime, cefaclor, etc., to play the purpose of anti-inflammatory and anti-infection. 3. Surgery: If the sebaceous cyst breaks down and flows more pus but the drainage is not good, the patient needs to do a small incision and drainage surgery, the pus will be adequately drained to the outside of the body, to promote the healing of the wound. It is recommended that such patients go to a regular hospital, consult a professional doctor, cooperate with the doctor to complete the relevant examinations, standardized treatment under the guidance of the doctor, to avoid blind treatment.