The anal area has a bad smell and itching, several factors need to be considered: 1, the anal area itself is easy to store feces, if not often cleaned, it may cause bacteria breeding, easy to produce itching, and the odor is heavy. 2, the consideration is dermatological disease, around the anus because rarely contact with outside air, covered by clothing, often more humid, the anal area is easy to get eczema, manifested as the anal area skin The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things.