The baby’s poop when he eats milk is usually considered to be the cause of indigestion, enteritis, lactose intolerance and so on. 1. indigestion: irregular feeding, eating too much or baby cold and other adverse factors may lead to gastrointestinal disorders, poor digestion and absorption, resulting in diarrhea. The baby after eating milk soon after defecation, the performance of stool milk petals, and accompanied by abdominal distension and so on. 2. enteritis: rotavirus enteritis, part of the early stage will have fever, vomiting, the later main manifestation of increased stools, there will be a milk on the poop, stools can reach 8 to 10 times a day, the performance of eggdrop soup-like stools, most of the week or so to heal. 3. Lactose intolerance: mostly seen in allergic babies, often parents are also allergic, the baby ate milk on the bowel movements, the performance of stools with dilute water, mucus or blood. Baby a milk on the poop should be combined with the baby’s specific situation to identify the cause, recurring recommendations to find a specialist doctor interview, further diagnosis and then symptomatic management.