There is a meatball in the anus need to consider the following aspects of the cause: 1, internal hemorrhoid prolapse: the vast majority of the population have internal hemorrhoids, internal hemorrhoids Ⅰ — Ⅱ stage is mainly to bleeding as a symptom, Ⅲ — Ⅳ stage is mainly to prolapse as a symptom, in severe cases, the internal hemorrhoids dragged out of the can not be retracted on their own, and therefore may be mistaken for a small ball of meat, in fact, it should be the internal hemorrhoids; 2, external hemorrhoids: when the seriousness of a bigger, usually long 3 point, 7 point, 11 point position; 3, thrombosed external hemorrhoids: mainly have blood vessels rupture and lead to: 4, venereal disease transmission: such as warts, usually lead to a skin flap and multiple Обычно длинные в 3:00, 7:00, 11:00 позиции; 3, тромбированные наружные геморроидальные узлы: в основном имеют разрыв кровеносных сосудов и приводят к: 4, венерические заболевания: такие как condyloma acuminatum, обычно приводят к наличию кожной флоры и есть более одного, в основном передается половым путем в качестве основного способа передачи.