The possible causes of anal itching and meatballs include hemorrhoids, sexually transmitted diseases, rectal lesions, etc., as follows: 1. Hemorrhoids: probably caused by hemorrhoids, especially internal hemorrhoids, usually not accompanied by obvious pain, more serious internal hemorrhoids may have hemorrhoidal masses prolapse, may also be accompanied by obvious blood in the stool. 2. Sexually transmitted diseases: anal itching and meatballs are likely to be caused by sexually transmitted diseases, such as condyloma acuminata. If it is found that the anus is itchy and there are meatballs, it is recommended to go to a regular specialized hospital in time, especially to do anal finger diagnosis and anoscopy, which can basically clarify the diagnosis, and then treat the symptoms according to different causes in time.