There are several reasons why babies eat milk powder and pull green stools: First, breast-fed children, stools are green. Breast-fed baby stool is acidic, in the role of intestinal bacteria, some of the bilirubin into bilirubin, it will make the baby’s stool discharge is light green, this is normal. Second, the baby is cold. If the baby eats cold milk or the baby’s abdomen, feet cold, there will be green stools. Third, the baby is hungry. The baby is not full, the body is in a state of hunger, will make the intestinal peristalsis accelerated, green stool. Fourth, the baby eats iron-added formula. If the baby eats formula with iron not completely absorbed by the baby, there will be green stools.