Bleeding from hard stool the next day is not there may be hemorrhoids, anal fissure, rectal cancer and so on. 1. Hemorrhoids: intermittent blood after stool is a common symptom of internal hemorrhoids, so bleeding the next day after exertion may be the manifestation of hemorrhoids. 2. Anal fissure: long-term constipation, fecal dryness caused by mechanical trauma during defecation leads to anal fissure, resulting in pain during defecation and small amount of blood on the surface of fecal matter or on the toilet paper. 3. Rectal cancer: older patients who have bleeding in stool with exertion and no more the next day should also be alerted to whether there is rectal cancer, when the surface of cancerous tissue of rectal cancer occurs erosion and necrosis or erosion of blood vessels of intestinal wall, it can cause blood and mucus on the surface of stool. There are other reasons, patients should go to the hospital in time, improve the examination, and give targeted treatment as soon as possible after clarifying the cause of the disease, so as to avoid further development of the disease.