The treatment for post-operative anal stenosis is post-operative anal dilation, and there are four methods of dilation. 1. finger dilation, where the doctor uses two or three fingers to reach into the anus and symmetrically dilate it outward once a day. If the pain is severe, you can choose to dilate the anus under local anesthesia. 2.Anal mirror dilation, patients can dilate the anus by themselves at home, after dipping the mirror in paraffin oil, and then dilation once a day, choose the straight anus mirror. 3.Purchase the anal dilation stick to dilate the anus, starting from 1cm and increasing 0.1-0.5cm per week, you can dilate the anus several times a day. 4.Select surgery, again do anal The sphincter’s lateral incision surgery. The postoperative effect is better, but it is more painful, so please choose carefully.