Many infants will have severe vomiting, some children will vomit when they eat a little milk, which makes the mother very worried, the reasons for vomiting are related to the infant’s gastrointestinal structure and disease discomfort. 1, the child was just born gastrointestinal is not yet developed, the capacity of the stomach is very small, and the stomach is horizontal, the cardia sphincter is loose, the pylorus sphincter is tight, can not store a lot of food, once you eat more, there will be slow digestion of food or difficult to pass the phenomenon, which will lead to the appearance of vomiting. 2, sickness and discomfort, after the body appears different, will also lead to vomiting, such as the cold and cough, otitis media and constipation. 3. Improper feeding care, incorrect feeding posture, or too short intervals between feedings, or too short intervals between three meals a day can lead to severe spitting up. Baby vomiting has a serious impact on the child’s physical development. Some children vomit for a long time, resulting in slow weight gain and backward development, so it is vital to solve the problem of child vomiting, and parents should also pay attention to the child’s diet, so that the child can grow up healthily.