If your baby vomits milk, you need to pay attention to the following aspects: first, whether the child has a poor diet, whether the child has eaten spoiled things, too much diet and caused digestive tract indigestion; second, pay attention to whether the child is combined with a viral infection, such as rotavirus infection in the early stage, the child may appear frequent vomiting, later diarrhea; third, pay attention to the child Third, pay attention to whether the child has intestinal obstruction, pay attention to whether the child has defecation and exhaustion, whether the abdomen is distended, and what is the child’s mental state; fourth, if the child is also combined with a cold, pay attention to whether the vomiting is caused by central nervous system infection. Once a child has vomited, he or she must go to the hospital early for examination and diagnosis to clarify the cause before treatment.