Internal hemorrhoids is a common disease, most often appear in young people, especially some squatting and sedentary people, and internal hemorrhoids will have blood in the stool, anal pain and other symptoms, in fact, rectal prolapse also have these symptoms, it is easy to confuse with internal hemorrhoids. Partial or total downward displacement of the rectal wall is called rectal prolapse, commonly known as prolapse. Partial downward displacement of the rectal wall, i.e., downward displacement of the rectal mucosa, is called mucosal prolapse or incomplete prolapse; total downward displacement of the rectal wall is called complete prolapse. If the rectal wall moves down in the anorectal cavity, it is called internal prolapse; if it moves outside the anus, it is called external prolapse. Rectal prolapse occurs most often in children and middle-aged or elderly women. In children, rectal prolapse is usually a mucosal prolapse that usually resolves by age 5. In adults, complete rectal prolapse is uncommon. Repeated prolapse of the rectum can lead to anal incontinence due to nerve damage in the pubic area and the risk of rectal ulceration, bleeding, stenosis, and necrosis, which may require surgical treatment. Why prolapse? The etiology of prolapse (rectal prolapse) is not fully understood, and is thought to be related to a variety of factors. 1, anatomical factors, underdevelopment of young children, malnutrition patients, elderly and frail people, easy to anorectal muscle and pelvic floor fascia weakness; pediatric sacral curvature is small, too straight; surgical, traumatic injury to the anorectal peripheral muscles or nerves and other factors can weaken the rectal peripheral tissues of the rectum of the rectum of the fixed, supportive role of the rectum, rectal easy to prolapse. 2, increased abdominal pressure, such as constipation, diarrhea, prostate hypertrophy, chronic cough, urinary difficulties, multiple childbirth, often resulting in increased abdominal pressure, pushing the rectum downward prolapse. 3, other internal hemorrhoids, rectal polyps often prolapse, downward pull rectal mucosa, induced mucosal prolapse. What are the symptoms of prolapse? The main symptom is that there is a mass prolapsing from the anus. At the beginning, the mass is small and comes out during defecation and resets itself after defecation. Later on, the mass will prolapse more frequently and increase in size, and after defecation, it needs to be put back into the anus by hand, accompanied by incomplete defecation and a feeling of falling down. Finally, it can be prolapsed when coughing, straining or even standing. With the prolapse aggravation, causing different degrees of anal incontinence, often with mucus outflow, resulting in perianal skin eczema, itching. Due to the difficulty of rectal emptying, constipation often occurs, and the frequency of stools increases, which is in the form of sheep’s feces. The mucous membrane is eroded and blood flows out when it breaks. How to distinguish prolapse from internal hemorrhoids? 1, blood in the stool Internal hemorrhoids in the early stages of painless blood in the stool, sometimes dripping blood, sometimes spraying blood or sticky blood on the handkerchief; and prolapse of the anus is mainly symptomatic for the anal canal, mucous membrane prolapse, and there is little blood in the stool. 2, pain Early internal hemorrhoids are generally painless, late in the incarceration of severe pain intolerable; and prolapse will sometimes be accompanied by severe pain. 3.Mucus Internal hemorrhoids often have symptoms such as anal moisture, while prolapse is often mucus overflow from the anus, the similarity of the two symptoms is high. 4, prolapse internal hemorrhoids prolapse is the hemorrhoidal nucleus, usually Ⅰ stage internal hemorrhoids and not prolapse, only Ⅱ, Ⅲ stage internal hemorrhoids hemorrhoid nucleus will prolapse, the phenomenon of late sometimes will occur inlaid; and prolapse of the anus out of the rectal mucous membranes, the anal canal and the rectum, the late prolapse of up to more than ten centimeters.