Toilet found blood in the stool, this situation should first be clear is the stool surface blood, or stool mixed with blood. The first situation is seen in hemorrhoids, anal fissure, is dry stool, scratch hemorrhoidal nuclei or perianal mucosa leading to bleeding, often accompanied by a feeling of anal swelling or pain when relieving stool, need to do a finger anus examination to make it clear that after diagnosis, you can use the Ma Yinglong hemorrhoidal ointment to the anus to treat. The second situation is seen in ulcerative colitis or intestinal tumors, often accompanied by abdominal pain, weight loss and other symptoms, need to do electronic colonoscopy to clarify. Ulcerative colitis can be treated with prednisone plus sulfasalazine, etc. Tumor of the colon depends on whether the tumor has metastasis, size, and decide to surgery or internal conservative treatment.