Reasons why newborn babies spit up milk It is a common phenomenon for newborn babies to spit up milk, and there are many reasons for it. One of the most common causes is overfeeding or feeding too frequently for the digestive system to process. Sometimes, the newborn baby\’s appetite may be very small, and the mother is too worried that the baby is not full enough, and overfeeding may lead to vomiting. In addition, the baby\’s esophageal and stomach muscles are not strong enough, which can also cause vomiting. The treatment of infant spit-up needs to be carried out on a case-by-case basis. Appropriate Feeding Methods Appropriate feeding methods are very important for dealing with vomiting of newborn babies. First of all, the baby should be allowed to