A fleshy lump on the anus is considered to be caused by the following reasons: 1. It may be a hemorrhoid, mainly due to the patient’s recent poor diet and lifestyle habits. The main symptom is a lump in the anus, pain, itching, serious time will appear congestion, enlargement and bleeding, the best can be timely treatment. 2, may acne warts, which is a human papillomavirus infection caused by a certain degree of contagiousness. The actual fact is that you can find a lot of people who are not able to get a lot of money from the internet.