If a newborn baby has a backward milk, it is mainly considered to be caused by the following situations: 1, gastrointestinal dysfunction, if the child has a gastrointestinal dysfunction, it is easy to vomit after eating milk, thus appearing a backward milk situation. In this case, parents can give the child timely take probiotics, such as small Pepcid to regulate the child’s gastrointestinal function; 2, due to digestive tract deformities caused by the child has digestive tract deformities, such as congenital pyloric hypertrophy, the child will also appear stubborn backward milk, in this case to give the child timely surgical processing; 3, due to breastfeeding too fast, too fast caused by the parents to give the child breastfeeding is too fast, If parents breastfeed their children too quickly, it will also lead to the child’s regurgitation of milk.