The purpose of postoperative healing granulation proliferation pruning of perianal abscess is to promote wound healing, and will not reduce the formation of anal fistula. The perianal abscess wound is open without suture, in the process of wound growth, the granulation tissue will grow from the bottom of the wound to the skin surface, part of the wound granulation tissue may grow higher than the skin surface or grow uneven, affecting the growth of the surface skin healing. Therefore, trimming the excess granulation tissue is needed to promote the healing of the surface skin, and does not reduce the formation of anal fistula. The way of perianal abscess surgery and the correct postoperative care and dressing change can effectively reduce the formation of anal fistula. If a perianal abscess is treated with radical surgery, the probability of fistula formation is significantly reduced, while if a perianal abscess is treated with incision and drainage, a fistula may form after surgery. The perianal abscess can also reduce the formation of fistula if the wound is cleaned and drained in time after the operation. If you are suffering from perianal abscess, it is recommended that you go to a regular hospital in time and actively diagnose and treat it to avoid delaying your condition.