16-month-old babies pulling up as soon as they eat may be due to lactose intolerance, enteritis, indigestion and other factors. 1. Lactose intolerance: If the 16-month-old baby’s body lacks the enzyme lactase, it can be after drinking milk, lactose intolerance symptoms, such as bloating, diarrhea, abdominal cramps and other phenomena, resulting in parents feeling that their 16-month-old baby pulls up as soon as he or she eats. 2. enteritis: pediatric enteritis causes can be divided into infectious (such as rotavirus infection, E. coli infection, amoeba infection, etc.) and non-infectious (such as allergies, nutrient intolerance, improper feeding, etc.) two, after the onset of the disease, the child may appear diarrhea, vomiting, abdominal pain, fever and other phenomena, the serious cases, can appear to eat the phenomenon of pooping, and feces can be with mucus. 3. Indigestion: If the parents do not feed the baby properly or the baby eats too much complementary food, it can trigger indigestion, which leads to the phenomenon that the baby has diarrhea after eating, and it can be accompanied by abdominal distension, nausea and other symptoms. In addition, there are many other causes can cause 16 months baby eat on the pull, it is recommended to go to the hospital, identify the cause of the disease, and actively cooperate with the doctor for treatment.