It is not possible to generalize whether anal distention is relieved after defecation. If more gas accumulates in the anus, anal distention may be relieved after defecation; while other diseases such as rectal prolapse, hemorrhoids and other causes of anal distention are usually not relieved after defecation. In patients with anal distention, if there is more gas under the rectum, the anal distention may be relieved immediately after passing gas. This situation is common in patients with rectal inflammation or indigestion, it is recommended to pay attention to relaxation, appropriate massage of the abdomen to promote gastrointestinal tract peristalsis. The causes of anal distension are more diverse, such as the patient has pelvic floor muscle relaxation caused by rectal prolapse, suffering from hemorrhoids, etc. can also lead to anal distension, usually after the exhaust can not be effectively relieved. Need to be examined by anorectal doctors to determine the causes of anal distension, and then targeted treatment. If anal distension cannot be relieved after exhaustion, it is recommended to consult a regular hospital to find out the cause of anal distension and follow the doctor’s instructions for active treatment or treatment.