Children with blood in the stool to consider the following: 1, there are perianal diseases, such as anal fissure, children with dry stool, stool surface with blood, the color is bright red, consider this disease. Should eat more fruits, vegetables and drink more water, to develop the habit of defecation every day. 2, enteritis, if the baby’s stool is relatively dilute, there is mucus in the stool, blood, consider enteritis, it is recommended that the routine examination of the stool, given anti-infective treatment. 3, allergy, there is blood in the stool, for infants and young children, it should be noted that the food allergy, common milk protein allergy or egg allergy, should be avoided, can be changed to consume the depth of hydrolysis of protein milk powder. 4, Intussusception, the baby appeared jam-like blood stool and accompanied by paroxysmal abdominal pain, should consider intussusception, go to the hospital for ultrasound examination, a clear diagnosis.5. Coagulation mechanism disorders, such as blood system disorders, can affect the coagulation function, the appearance of blood in the stool.