What should I do if I have blood in my bowel movements? It depends on the cause of the bleeding in the stool, and the treatment differs depending on the cause. The first case, bleeding hemorrhoids, is often blood in the stool or bleeding after the stool, fresh blood stool is the main. In this case, you can take Yunnan Baiyao orally, plus apply hemorrhoid suppositories for treatment. In the second case, ulcerative colitis, often with pus and blood in the stool, accompanied by abdominal pain and weight loss, can be treated with oral mesalazine. The third condition, tumor bleeding, bleeding caused by intestinal tumors, often accompanied by bowel habits or changes in the thickness of the bowel movements, this situation requires further examination to confirm the diagnosis or surgical treatment.