After the stool with blood on the paper, you can judge the cause of blood in the stool according to the accompanying symptoms: 1, the patient has good bowel habits, blood in the stool is not accompanied by anal pain, consider internal hemorrhoidal bleeding, you can use tainin suppositories to plug the anus, the external use of ma yinglong hemorrhoidal ointment to control the symptoms of bleeding; 2, usually constipation, blood in the stool is accompanied by anal pain, consider fissure, the patient should be a light diet, to keep the stools soft, if necessary, oral laxative medication; 3, Patients usually have a change in bowel habits or mucus stool, blood in the stool is dark red, need to consider the possibility of rectal tumors, rectal polyps, ulcerative proctitis and other diseases can also lead to blood in the stool. According to the clinical symptoms can initially determine the cause of blood in the stool, but not absolute, patients with symptoms of blood in the stool, should go to the hospital in a timely manner, to clarify the cause of blood in the stool, to take appropriate treatment.