Bowel cancer bleeding, most of the blood is mixed with stool as well as symptoms of abnormal stool; hemorrhoid bleeding, most of the blood is separated from stool, accompanied by anal discomfort, or no voluntary sensation. 1. Bowel cancer: During the process of bowel cancer blood in stool, most of the blood will be mixed with feces, which may be accompanied by the change of stool shape, or abdominal pain, diarrhea, and may also cause the body to lose weight, fatigue and other symptoms. 2. Hemorrhoids: Most of them will have blood dripping from anus during or after defecation, blood and feces are separated, most of them are painless blood in stool, sometimes accompanied by lumps outside anus, foreign body sensation and other symptoms. Bowel cancer and hemorrhoids may both present with the symptom of blood in stool, but the two cannot be identified solely by the characteristics of blood in stool. If you have symptoms of blood in stool, you should go to the hospital in time, complete the relevant examination, differential diagnosis, and give standardized treatment under the guidance of professional doctors.