Newborn stools are usually golden yellow in color, especially in breastfed babies. If your baby has green stools, there are several reasons to consider: first, it may be related to the mother’s diet, the baby’s mother consumed vegetables with high iron content, such as spinach or iron supplements due to iron deficiency anemia. Secondly, it may be that the mother’s milk is not enough and the baby is not getting enough. Thirdly, the baby may have been fed with formula and may also have green stools. The fourth, may be the destruction of the gastrointestinal tract wall, you can give your baby some easy-to-digest food, such as probiotics, to regulate the flora of the gastrointestinal tract. The fifth, may be lactose intolerance or food protein allergy, milk powder deep hydrolysis caused, you can give the baby to change the milk powder, if the baby does not have any uncomfortable performance, milk powder also do not need to change.