Frequent diarrhea with blood may have the following three conditions: First, inflammatory bowel disease, including ulcerative colitis and Crohn’s disease, inflammatory bowel disease diarrhea accompanied by blood in the stool, with mucus-purulent stool, sometimes accompanied by intermittent abdominal pain and body wasting. Second, intestinal dysfunction, there is no inflammation of the intestinal tract, but only intestinal dysfunction, diarrhea caused by bleeding hemorrhoids or anal fissures in the anus. Colorectal cancer, because of the blockage of colorectal cancer caused by incomplete obstruction of the intestine, so the number of stools increased, diarrhea, if the rectal cancer because of rectal stimulation will also appear after the urgency, the sense of incomplete stool. No matter what the situation is, once there is blood in the diarrhea, it is recommended to go to the hospital for a specialist examination.