The disease that can cause blood on the stool paper, there are the following kinds of diseases: 1, hemorrhoids, which is the most common disease that causes blood in the stool, usually, the color of the blood is fresh, there is no obvious pain, but if it is due to eating spicy food or drinking alcohol after triggering hemorrhoids attack, the blood in the stool is also accompanied by a burning pain in the anus. 2, fissure can also appear this symptom, usually accompanied by tearing pain and constipation and other symptoms. 3, polyp of the large intestine can also appear this symptom, usually accompanied by abdominal pain and diarrhea. 4, ulcerative colitis can also appear this symptom, usually accompanied by abdominal pain and other symptoms. Polyps of the large intestine may also occur, usually accompanied by abdominal pain and diarrhea, etc. 4, ulcerative colitis may also occur, usually accompanied by diarrhea, abdominal pain, mucous pus and blood stools, etc. 5, malignant tumors of the anorectum may also occur, usually the color of the blood in the stool is dark, but the tumor location is low, it may also appear fresh blood in the stool, usually accompanied by the blood of the anus, and the blood of the anorectum is also fresh. The blood in the stool is usually accompanied by anal swelling, recent changes in bowel habits and abdominal pain, constipation and other symptoms. 6, some fissures in the anus, there may also be symptoms of blood on the toilet paper, so such symptoms should be the first time to the regular hospital anorectal department to carry out an examination in order to clarify the diagnosis, to decide on the appropriate treatment plan.