Common causes of green stools in infants include normal physiological factors, gastrointestinal colds, allergic enteritis, etc. Specific analysis is as follows: 1. Normal physiological factors: when adding complementary foods, infants eat iron fortified rice powder often appear green stools, because infants can not absorb the iron with the stool is oxidized green, or complementary food added green vegetables can be caused by green stools, as long as the stool is normal in nature, do not have diarrhea can. 2. Gastrointestinal colds: Infant abdominal cold can lead to accelerated intestinal peristalsis, crying, green stool phenomenon, usually pay attention to the baby’s abdomen to keep warm. 3. Allergic enteritis: allergic infants exposed to allergens, causing inflammatory changes in the intestinal mucosa, diarrhea or green stools and other phenomena. There may be other reasons that cause babies to have green poop, so we suggest that you go to the hospital in time to have a relevant examination to clarify the cause of the disease and then actively treat the symptoms.