One year old babies eat after pulling, common causes are indigestion, acute gastroenteritis, lactose intolerance. 1. indigestion: if the baby due to cold or improper diet, gastrointestinal function weakened, causing intestinal digestion, absorption function is reduced, dyspepsia, will cause a meal on the pull, stools are often not shaped, more accompanied by milk petals and indigestible foods. 2. Acute gastroenteritis: If the baby’s diet is not clean, resulting in intestinal infections, may appear as soon as the food is pulled, accompanied by abdominal pain, vomiting, fever and other symptoms, can be given montelukast to stop diarrhea, oral rehydration salts to prevent dehydration and other symptomatic treatment. 3. Lactose intolerance: one year old babies eat on the pull, need to pay attention to the possibility of lactose intolerance, this time the baby can appear diarrhea and other manifestations, can be improved by replacing the milk powder, adjusting the diet to improve the symptoms. In short, when the baby ate when pulling, it is recommended to timely pediatric consultation, clear cause, take targeted treatment. All of the above medications should be used under the guidance of a doctor.