Postoperative pain after perianal abscess surgery usually lasts for 5~20 days, and the specific duration is also related to the size of the surgical wound and the healing condition of each person. Surgery for perianal abscess is usually performed by incising the abscess and discharging the pus. When the anesthetic dissipates, the pain will gradually increase, and the pain will be aggravated by the stimulation of the perianal muscles and the bacteria in the feces every day during the bowel movement. With the formation of traumatic granulation tissue, the healing of the surgical incision, the pain will gradually reduce, for the large trauma, the healing time is long, the pain usually lasts for 10 to 20 days. However, some patients have small trauma, shallow surgical incision, in this case the stimulation is relatively small, the risk of infection is also relatively low, for the postoperative recovery can achieve the best results, then for this kind of perianal abscess patients postoperative pain may be in the 5~10 days. Regardless of the size of the operation, the pain will be obvious in the early postoperative period, should be given under the guidance of the doctor as appropriate, reasonable pain medication to relieve, pay attention to light and nutritious diet, keep clean and hygienic around the anus, regular disinfection, dressing change, re-examination, etc., to maintain smooth drainage, so as to facilitate the recovery of the postoperative period.