or perianal abscess in the pelvic rectal fossa, the incision should be larger, the pus cavity that needs to be opened will be larger, and the incision will be more and deeper. Such patients will also have more intense post-operative pain and the incision will take longer to grow, and according to statistics, surgery for perianal abscesses is one of the most painful procedures. If the patient’s abscess cavity is deeper and larger, the surgery for perianal abscess is also considered a relatively large surgery.