Babies vomit after feeding because: 1) too much milk is fed, resulting in vomiting; 2) the air swallowed in the stomach escapes because they are not held upright and patted on the back after feeding. Therefore, it leads to vomiting. Therefore, you should pay attention to the amount of milk you give to your baby. 3, pay attention to the correct feeding posture, after feeding, you should adopt the correct method to hold vertically and pat your back, so that the air swallowed can run out and reduce the phenomenon of vomiting after feeding. Therefore, as the mother of a child, you must master the correct feeding method.4. If vomiting occurs repeatedly after eating milk or has a tendency to worsen, it may be a problem with the baby’s digestive tract development, and you should go to the hospital for relevant examination.