When there is blood when you wipe your buttocks with stool, first of all, do not be nervous, you can analyze the cause. There are generally the following cases: 1. It may be anal fissure, dry stool may damage the skin of the anal canal and form a fissure, and it is possible to bring blood when wiping stool. If the pain symptoms are relatively mild, you can conservative treatment, diet to avoid spicy and stimulating food. You can take a sitz bath with warm salt water to keep the blood circulating around the anus. You can apply topical hemorrhoid cream, i.e., tylenol cream, which acts as a local anti-inflammatory, anti-swelling, and hemostatic agent. If the symptoms are heavy and the bleeding is large, surgery is needed, i.e. anal fissure resection. 2, blood in the stool wipe buttocks, there may also be hemorrhoids, because hemorrhoids is the anal cushion down, the varicose vein mass, especially internal hemorrhoids in the case of increased pressure will bleed, usually dripping blood or jet. If the symptoms are mild, they can be treated conservatively; if they are severe, hemorrhoidectomy should be performed.