Anal itching and bleeding are considered to be caused by the following conditions: First, it may be due to anal fissure, which mainly manifests itself as blood dripping and wiping after defecation, accompanied by painful strong tearing during defecation, and will last for some time. Secondly, it may be anal eczema, which is a skin metaplasia and will appear as scattered papules or papules, mainly characterized by local itching and ulceration and blood oozing after scratching, which is difficult to cure and easily recurs. Third, it may be caused by internal hemorrhoids, and the typical symptoms are bright red blood, and the blood is not able to mix with the stool, but there is no pain, especially when the hemorrhoid situation is serious bleeding will increase, the frequency will also increase, you need to be treated in a timely manner. In addition to the above two cases, there may be inflammation of the anal papillae, anal fissure caused by the best can go to the hospital for anal examination, and then according to the results of the treatment.