Green stools in infants are considered to be related to hunger, indigestion, acute gastroenteritis and other factors. 1. Hunger, the infant green stool may be caused by hunger, hunger appears after the gastrointestinal tract peristalsis faster, may lead to the symptoms of green stool appeared. 2. Indigestion, some babies with green poop may be related to indigestion, if the one-time eating too much, digestion is not good, may lead to food can not be fully digested and absorbed, so may appear green poop symptoms. 3. Acute gastroenteritis, some infants green stool may be related to acute gastroenteritis, pathogens invasion may lead to intestinal dysfunction, this situation. Infants with green stool, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.