The 10-year-old bleeding stool is considered to be caused by constipation leading to anal fissure, rectal polyps, proctitis, hemorrhoids and other diseases. 1. Constipation, anal fissure: 10-year-old children who have not developed good defecation habits, coupled with the diet structure is too simple, thus the lack of dietary fiber, triggered by constipation, so that the children appear defecation difficulties, dry feces, mucous membrane of the feces broken bleeding; 2. Anal fissure: due to dietary reasons, such as low water intake, low dietary fiber and other factors, constipation is obviously serious, defecation will also trigger perianal skin tearing to form ulcers, blood in stool accompanied by pain, dripping blood and other symptoms. 3. Rectal polyps: related to heredity, infection and other factors, in general, the children have no obvious symptoms, but there are a few children will appear after the rush, mucus stool and other phenomena, if the polyp surface ulceration, but also blood in the stool symptoms. 4. Proctitis: can also cause bleeding in the stool, the child will also have a feeling of anal swelling, and frequent bowel movements, but the amount of each bowel movement is small, there is still a feeling of incomplete defecation after defecation, in addition to diarrhea and constipation alternating phenomenon. 5. Hemorrhoids: is a common anorectal disease, its etiology is not clear, and the anal cushion under the doctrine, varicose veins doctrine is closely related to the child with hemorrhoids usually appear blood in the stool, anal itching, hemorrhoidal prolapse, anal pain and other symptoms. In addition, peptic ulcer, leukemia, acute bacillary dysentery, etc. can also make the 10-year-old child bleeding in the stool, it is recommended that the child’s family members take the child to the doctor in a timely manner to clarify the cause of the disease, as soon as possible to accept the treatment, to avoid delaying the condition.