The baby drink milk powder pull dark green poop and indigestion, lactose intolerance, milk powder in iron more related. 1. indigestion: indigestion is related to gastrointestinal dysfunction and decreased diastolic function of the stomach to food tolerance. When the baby indigestion, drinking milk powder may appear the phenomenon of dark green poop. 2. Lactose intolerance: If the baby is intolerant to the protein in the milk powder, it may lead to dark green poop. Some babies may also experience increased stool frequency, hyperactive bowel sounds, bloating, nausea and vomiting, and other symptoms. 3. more iron in the milk powder: when the iron in the milk powder is more, the baby may drink because part of the iron is not digested and absorbed and the phenomenon of dark green stools. The baby drink milk powder pull dark green stool may also have other reasons, it is recommended to go to the hospital, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.