5-year-old child blood in the stool is considered to be the emergence of hemorrhoids, anal fissure, but also may be related to constipation and other factors. 1. hemorrhoids, if the 5-year-old child appeared hemorrhoids, hemorrhoids in the process of defecation is squeezed, may lead to blood in the stool symptoms. 2. anal fissure, if the child has an anal fissure, perianal fissure, soft tissue damage may lead to blood vessel rupture, so there may be children with blood in the stool symptoms. 3. constipation, some children appear constipated due to dry stool, may rub the perianal area, so there may be blood in the stool symptoms. 5-year-old children with blood in the stool may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.