The feeling of falling belly is related to hemorrhoids, dysentery, rectal mucosal prolapse, rectal tumors and other factors, as follows: 1, hemorrhoids mainly occur around the anal canal, which can lead to the presence of venous masses at the anal opening, and when hemorrhoids attack patients will not only be accompanied by bleeding stools, but also the feeling of falling anus; 2, dysentery is a disease caused by bacterial infection, mainly with bloating, diarrhea, mucopurulent stools During the period of illness, due to the invasion of the intestinal mucosa caused by bacteria, it will be accompanied by mucopurulent stools, anal drop and other symptoms; 3, long-term constipation will be caused by the stimulation of the rectal mucosa, and prone to rectal mucosal prolapse, once the rectal mucosal prolapse, the mucosa in the rectum will be loosened and detached from the anal area, which will not only be accompanied by a foreign body feeling in the anus, but also a drop in the anus; 4, rectal tumor Symptoms; 4. Rectal tumors mainly include rectal polyps and rectal cancer, which cause relatively little invasion of the rectum in the early stage, so the symptoms are not particularly obvious, but when rectal polyps and rectal cancer increase in size, they will not only affect the function of the rectum, but also lead to long-term inflammation of the rectal mucosa, so they will be accompanied by a sense of sagging in the anal area.