6 months baby poop green poop may be related to diet, milk powder with too much iron, enteritis and so on. 1. Diet: 6 months baby’s digestive tract development is not very perfect, in the addition of complementary foods for babies, if eating green vegetables. It may not be well digested and will be discharged with the feces. 2. Milk powder containing too much iron: it may be that the baby’s milk powder, containing a large amount of iron. The baby can not be fully absorbed, after the intestinal decomposition, the baby will appear green stool. 3. enteritis: it may be that the baby eating utensils or food is contaminated, caused by the intestinal staphylococcus aureus infection, will also appear to discharge green stools. 6 months baby green stool can also be seen in other reasons, it is recommended that timely medical attention, follow the doctor’s instructions for relevant examinations, in the doctor’s help to clarify the cause, and targeted treatment or treatment.