There are several conditions that need to be considered: a. Tumors around the anus need to be ruled out, because tumor tissue grows rapidly and can compress the intestinal cavity and obstruct the bowel discharge, so that a professional doctor can do a rectal finger diagnosis, and timely surgery is needed after diagnosis. Second, due to anal fissures, repeated anal fissure scar healing can easily lead to narrowing of the anal opening and affect defecation, which needs to be treated by anal dilation. The more serious internal hemorrhoids, long-term hemorrhoid nucleus prolapse can appear anal opening stenosis affect defecation, especially for dry stools aggravate the symptoms of defecation. It is advisable to go to a regular hospital for consultation and timely symptomatic treatment after diagnosis, usually need to keep the bowels open, eat more vegetables, fruits and fiber-rich foods.