More than 2 months after anal fistula surgery wound edge, there may be scar proliferation, excessive proliferation of granulation tissue, anal fistula recurrence and other phenomena. 1. Scar proliferation: generally due to more than 2 months after the anal fistula surgery, scarring around the wound will appear, gradually proliferation, thus causing the phenomenon of scar proliferation on the edge of the wound more than 2 months after the anal fistula surgery, scar proliferation may appear nodules, pain and other symptoms. 2. excessive proliferation of granulation tissue: usually due to excessive friction around the wound after anal fistula surgery, thus causing excessive proliferation of granulation tissue around the wound edge more than 2 months after anal fistula surgery, excessive proliferation of granulation tissue will generally appear foreign body sensation, pain, bleeding and other symptoms. 3. anal fistula recurrence: may be due to the anal fistula surgery, do not pay attention to local hygiene and cleanliness, improper postoperative care and other factors, so that the anal fistula recurrence, and then there is anal fistula surgery more than two months after the wound edge recurrence of the phenomenon, and there will be pus, swelling, pain, lumps and other symptoms. If there is something abnormal at the edge of the wound more than 2 months after anal fistula surgery, you should go to the hospital in time for a review, so as not to delay the condition and have adverse consequences.