If the patient has more than blood in the stool, first of all, we should find out whether the patient’s blood pressure, heart rate and other signs are stable, if the blood pressure falls and the heart rate rises, shock is likely to occur, we need to find out the patient’s blood type as soon as possible and transfuse blood to maintain the patient’s vital signs, after the vital signs have stabilized, we need to further clarify the causes of blood in the stool. Common diseases include ulcerative colitis, colon cancer, tuberculosis of the colon, and hemorrhoids, which need to be clarified by doing electronic colonoscopy or finger-anal examination. If it is the first three diseases need to stop bleeding, if it is ulcerative colitis, to use prednisone class of drugs to control the acute phase of the attack; colon cancer needs to be done as soon as possible surgery or chemotherapy, radiotherapy and other treatments; tuberculosis of the colon needs to be anti-tuberculosis treatment; hemorrhoids can be used with saline and norepinephrine enemas to stop the bleeding of the treatment.