The stool blocked anus is divided into the feeling of blocked anus and the actual blocked anus, specifically into the following cases: first, long-term constipation, stool in the intestinal tract for too long, water is repeatedly absorbed and evaporated, resulting in dry stool blocked in the anus can not be discharged, you can sit in the bath with warm water, hot compress anus, so that the anal sphincter muscle expansion, softened to help the stool discharge, you can also use open plug, etc. to stimulate the anus The first one is to make the stool soft and discharged. Second, perianal diseases, such as perianal abscess, ring hemorrhoids, etc., causing inflammation or edema around the anus, the anal opening contraction becomes smaller, resulting in the inability to discharge stool, to treat the primary disease. Third, malignant tumors of the rectum or perianal area, such as rectal cancer tumors growing to the inside of the intestinal cavity, blocking the intestinal cavity causing difficulties in the discharge of stool, requiring surgery. Fourth, the feeling of urgency around the anus, mistaking it for a blockage of the anus, without actually blocking the stool, because the anus or other diseases produce bowel movement, but can not pass stool.