Anal hair is a very common phenomenon, both men and women will have hair in their anus. Under normal circumstances, anal hair does not cause harm to the human body, can protect the anus, to avoid bacteria through the anus into the body, so that the anus and rectum by bacterial infection. If the anal hair grows too long, it will cause the stool to stick to the anal hair after defecation, leading to bacterial infection around the anus, and will also make the anus impermeable, leading to local humidity and eczema. If the anal hair is too long it is recommended to deal with it in time, you can use scissors to cut it short or shave it off with a razor, you can also use hair removal cream to remove hair regularly, if conditions allow you to go to the hospital to destroy the hair follicles by way of laser hair removal to achieve the effect of removing anal hair. As anal hair has a protective effect, if anal hair does not affect life, it is recommended to keep anal hair.