The anal opening seems to have a piece of meat fell out, may be internal hemorrhoids, intestinal polyps, anal papilloma and other conditions. 1. Internal hemorrhoids: if the patient’s internal hemorrhoids are more serious, the hemorrhoid nucleus will appear obvious redness, swelling and enlargement, enlargement of the hemorrhoid nucleus will be with the stool out of the anus, if the formation of incarcerated in the anus, it is difficult to automatically retract, will be accompanied by obvious pain and bleeding symptoms. 2. Intestinal polyps: If the volume of intestinal polyps is relatively large, they will be discharged out of the anus during bowel movements, hanging in the anus, usually without bleeding and pain. 3. Anal papilloma: if long-term inflammation and fecal stimulation, may lead to anal papilloma enlargement, increase to a certain extent, will be out of the anus, sometimes with the stool prolapse, sometimes will prolapse on their own. If there is meat falling out of the anus, the patient should consult a doctor for examination, clarify the cause of the disease, and give appropriate treatment under the guidance of a professional physician.