In general, the human perineum, the anus, hair growth is mainly related to the body’s androgen, androgen level is high people, the relative hair will grow vigorous, and androgen low people will relatively grow less, so the anus has hair is a normal physiological phenomenon, do not need special treatment. However, because the anal area is more hairy, it is relatively difficult to clean the anal area. It is recommended to pay more attention to cleaning the anal area daily, washing it every morning and evening, and those who have conditions can rinse it with warm water after each bowel movement to keep the anal area clean, avoiding the residue of feces on the anal area hair, which can cause anal itching and other symptoms by polluting the perianal skin, In addition, the anal hair is often accompanied by itching, pain and other sensations, try to control not to scratch, so as not to scratch the local skin caused by infection.