Bleeding in the stool can be mild or severe, and needs to be determined in conjunction with the child’s mental reaction, accompanying symptoms, and age. If the child has difficulty in defecation, and also accompanied by blood in the stool, this situation is mostly due to anal fissure, this time the stool will appear dry and hard. Acute intussusception is a bloody stool children should pay special attention to the disease, this time will not only appear with blood in the stool will also appear the child paroxysmal crying, vomiting, intussusception often occurs in about 4-10 months of age, and is jam-like stool. Meckel’s Diverticulum This is a congenital intestinal malformation most commonly seen in children under two years of age. It is characterized by sudden and profuse bloody stools, usually appearing first as black blood and then as red blood. Some children have a food protein allergy that leads to rectocolitis, mostly seen in very young children. In addition, some children because after taking iron supplements, iron is not fully absorbed, this time through the intestinal discharge, this time the stool may be with black spots, but this time to check the stool routine, the occult blood is positive, but this situation is normal do not need to worry. Bacterial and viral infections can not only cause blood in the stool, but also some pus discharge. If your child has blood in the stool, you need to go to the hospital for examination and treatment according to the cause of the disease.