The anal side of a meatball may be anal polyps, anal papilloma, hemorrhoids and other diseases caused by the patient should consult a doctor in a timely manner, clear cause of the corresponding treatment. 1. anal polyps: chronic inflammation, genetic factors such as the anal canal epithelium of the bulging lesions, patients will have blood in the stool, perianal meatball, abdominal pain, diarrhea and other symptoms, such patients should develop good habits, physical exercise, if necessary, can be removed through surgery. 2. Anal papilloma: a kind of benign tumor occurring in the anus, patients will have perianal meatballs, anal itching, defecation feeling, can be used locally to clean the anus with lukewarm water, if necessary, surgery. 3. hemorrhoids: hemorrhoids due to poor eating habits, constipation, stool dryness and other reasons for the formation of the anal canal and rectal submucosal venous masses, or prolapse, or broken to form thrombosed hemorrhoids, etc., there will be the phenomenon of perianal meatballs, there will be blood in the stool, anal itching, etc., you can take a sitz bath with lukewarm water, and if necessary, surgical treatment. Flesh ball phenomenon in the perianal area, it is recommended to go to the hospital in time for examination, clear diagnosis, and give reasonable treatment to avoid delaying the aggravation of the condition. The medication is in accordance with the doctor’s instructions.