There are more reasons for children to bleed in the stool, which can be caused by intussusception, anal fissure, acute enteritis, etc. 1. Intussusception: Intussusception occurs due to the child’s dietary changes or infections, intestinal spasms, etc., resulting in damage to the intestinal mucosa and causing bleeding. In addition to blood in the stool, the child may also be accompanied by abdominal pain or vomiting. 2. Anal fissure: It may be due to the fact that the child drinks less water or is more picky about food, and when the stool is drier, the defecation is more forceful, or the stool is thicker, then it may break the anus, and anal fissure occurs, which results in blood in the stool. 3. Acute enteritis: children due to viral or bacterial intestinal infections, pathogens release toxins, can cause intestinal mucosal damage, feces with pus, mucus, etc., may also appear bloody stools. Bleeding in the stool can also be seen in other causes, it is recommended to consult a doctor in a timely manner, follow the doctor’s instructions for further examination, with the help of the doctor to clarify the cause, and targeted treatment or therapy.