Postoperative anal stenosis treatment for hemorrhoids is postoperative anal dilatation, and the methods of anal dilatation include non-surgical anal dilatation and surgical anal dilatation. 1. non-surgical anal expansion: expanding the anus with fingers, the doctor puts on gloves and smears paraffin oil, and uses 2 or 3 fingers to reach into the anus to expand symmetrically outward, repeated many times a day, once a day to expand the anus; or expanding the anus with anal mirrors, the anal mirrors are dipped in paraffin oil, and then slowly stuffed into the anus, repeated many times a day, once a day; or expanding the anal rod to expand the anus, starting from a small rod, which can be incrementally increased daily, and can be used for many times a day. Anal dilation can be done several times a day. 2. Surgical anal dilation: after the above treatment is ineffective, it is feasible to cut off part of the internal anal sphincter, so that the anal canal can be dilated to about 4 fingers, and after the operation, good care, and this method has good effect. Surgical methods also include stenotomy, skin flap transplantation and many others. After hemorrhoid surgery anal canal stenosis, the specific method of treatment, according to the needs of the condition, by professional doctors to choose and operate, not to expand the anus on their own. Once found in time to seek medical treatment, follow the doctor’s instructions to actively carry out standardized treatment, to avoid delaying the condition, resulting in adverse consequences.