If the baby has blood in the stool, it is also important to pay attention to the common causes of blood in the baby’s stool, such as digestive tract diseases, infectious diseases, in addition to blood diseases can also lead to blood in the baby’s stool. 1, digestive tract diseases caused by baby blood in the stool: common diseases such as anal fissures caused by baby constipation, esophageal foreign bodies, ulcers, intestinal polyps, acute gastroenteritis, etc., can lead to blood in the baby’s stool. 2, infection diseases can lead to baby stool with blood: many systemic infections typical of this is the case of stool with blood, common like sepsis, necrotizing small intestine colitis and other cases. 3, the baby diet intake of blood: such as breast milk with blood and the baby at birth swallowed the mother’s birth canal blood, etc. will also lead to the baby stool with blood. 4, blood diseases can also lead to babies with blood in the stool: common is bleeding, hemophilia, leukemia, etc. will also lead to blood in the stool. 5, allergic diseases: some milk protein allergy babies will show blood in the stool, while the baby’s spirit eating milk are better, no other discomfort, especially formula-fed babies. Of course, in addition to the above diseases can lead to, many times the baby stool with blood is also a normal phenomenon, may also be the baby’s own resistance to bacteria and other invasive performance, this time it is particularly important to closely observe the child’s stool situation.