Appendicitis postoperative drainage tube removed, the incision is still pus, usually the occurrence of wound infection. Patients need to change the medicine on time, maintain local hygiene, continue anti-infection treatment, if necessary, need to perform abscess incision surgery. The phenomenon of pus in the wound after appendicitis surgery is usually the occurrence of infection, which is a common postoperative complication, and is related to the improper protection of the wound and the poor physical condition of the individual. The patient can consult the doctor, change the dressing for the wound at regular intervals, and at the same time clean up the pus, keep the wound dressing clean and don’t let it be contaminated, and most of the patients’ wounds can be healed by themselves. However, if there is an increase in pus and the patient has fever, the infection is more serious, and the patient can follow the doctor’s instructions for intravenous ceftriaxone sodium, levofloxacin and other antibiotic treatment. If there is abscess formation, let the doctor incise and drain the abscess to remove the infected and necrotic tissues from the wound. Patients are advised to consult a professional doctor for standardized and effective treatment.