Possible causes of anal dampness in men include the following: first, sexually transmitted diseases: for example, caused by condyloma acuminatum, usually with a history of obvious impure intercourse, as well as the formation of skin redundancies around the anus. Second, physiological factors: due to inattention to personal hygiene, or sitting for a long time in the summer, and more local sweating, and the resulting anal dampness. Third, hemorrhoids: because hemorrhoids patients may have anal swelling prolapse, this is easy to co-infection occurs, causing inflammatory exudate, and finally lead to men’s anal dampness. If you find male anal dampness, it is recommended to go to a regular specialist hospital for systematic examination and timely treatment after a clear diagnosis.