Prolapse is the downward displacement of part or all of the wall of the rectum and can be categorized into complete and incomplete prolapse. If the rectal wall is partially displaced, it is called incomplete prolapse; if the whole rectal wall is displaced, it is called complete prolapse. Prolapse mainly occurs in children and middle-aged and elderly people, and is more common in middle-aged and elderly women. At present, the current medical opinion is that rectal prolapse refers to the mucous membrane layer of the rectum or the rectum of the whole layer of tissue relaxation, or anorectal peripheral tissue relaxation to lose the role of supporting the rectum, and even the lower part of the sigmoid colon intestinal tubes due to the colon mesentery is too long, along with the mucous membrane flap out of the anus outside of a disease. In layman’s terms, that is, some people in defecation or squatting, by the anus turned out a section of the intestine, in standing or stool sometimes need to use the hand to go back, this pathological phenomenon is commonly known as “prolapse of the anus”. Prolapse patients should develop good defecation habits, pay attention to shorten the time of defecation, prevent constipation and diarrhea, and insist on doing anal exercises. It is recommended that once found, timely medical treatment for targeted treatment.