There are four main possibilities to consider when you have a meaty bump growing in your anus. First, warts, past history of unclean sexual life, its mostly caused by HPV virus infection. The performance is visible around the anus cauliflower warts, can be combined with ulcers or pain and discomfort. Second, anal papilloma, caused by chronic inflammatory changes in the anus. Usually there is no obvious clinical manifestations, only in the anal opening to touch the soft texture and clear boundary of the meat bumps. Third, hemorrhoids can be divided into internal hemorrhoids, external hemorrhoids and mixed hemorrhoids, the clinical manifestation of blood dripping from the anus after stool or stool mixed with fresh blood, often combined with anal swelling and itching discomfort. Fourthly, anal canal cancer, which can be touched in the anus with irregular shape and hard texture and unclear boundary. In conclusion, a variety of diseases can be manifested as a lump in the anus, should consult a doctor in time to clarify the nature of the lesion, if necessary, surgical treatment.