Small meat bumps at the anal opening may be hemorrhoids, or anal papilloma, anorectal cancer, rectal polyps, etc., and should be promptly consulted to identify the cause of the disease. 1. Hemorrhoids: If patients drink alcohol for a long time, eat too much spicy and irritating food, constipation, defecation, etc., resulting in hemorrhoids, which will occur hemorrhoidal prolapse, the appearance of small pimples. Therefore, there is a small pimple at the anal opening may be hemorrhoids. 2. Anal papilloma: this is a kind of benign tumor occurring in the anal canal, which means that the anal papilla is enlarged and hardened due to long-term stimulation by feces and chronic inflammation. Patients may have lumps coming out of anus, which may be accompanied by foreign body sensation, increased secretion, abnormal defecation, itching and so on. 3. Anorectal cancer: malignant tumor of digestive tract, when cancer invades the anus, small lumps may appear in the anus, which are usually hard in texture, and may be accompanied by pain, bleeding, abnormal anal secretion and other symptoms. 4. Rectal polyps: refers to the protruding from the surface of the intestinal mucosa to the intestinal lumen of the bulging lesions, general patients do not have obvious symptoms, but some patients may appear polyp prolapse, the formation of small bumps in the anus, often with blood in the stool, after the rush, mucus stool and other manifestations. To summarize, the anal opening with small meat bumps may be hemorrhoids, but it may also be caused by other diseases. Patients should go to the hospital in time, clear diagnosis, and follow the doctor’s instructions for targeted treatment.