Hair in the anus is a normal physiological phenomenon that may occur in both men and women. The human body to the stage of youthful development, anus, pubic area, underarms, large and small legs may appear the symptoms of hair growth, according to the individual physique, the number of hairs will vary. Hair growth in the anus is related to heredity, endocrine disorders, suffering from hirsutism itself, as well as localized in a moist state. Hair in the anal area will play a certain protective role for the human anus, if the patient’s anal hair is too much, too dense, may lead to the occurrence of anal eczema, you can go to the hospital for laser hair removal treatment. Anal hair is a normal situation, as long as it does not appear to cause local discomfort is not a problem.