Hemorrhoids itch mainly because: First, the formation of hemorrhoids, the local venous mass around the anus circling flexing, constantly pulling and stimulating the soft tissues and mucous membranes around the anus, perianal peripheral nerves are relatively rich, once pulled will feel itchy. Second, mainly irregular eating habits, and like to eat spicy, stimulating food, or fried vegetables put a lot of seasoning, in the perianal hemorrhoids will stimulate hemorrhoids when passing through the hemorrhoids, thus causing itchy hemorrhoids. Third, usually do not like to drink water, stool is relatively dry, and do not pay attention to the hygiene habits around the anus, resulting in stool through the hemorrhoids after the stimulation of hemorrhoids mass caused by itching. Fourth, mainly perianal abscess, proctitis, inflammatory infection of perianal soft tissues, will also constantly stimulate the hemorrhoids in the perianal area causing itching.