Infant vomiting is not necessarily a cold, but needs to be judged on a case-by-case basis. Baby vomiting can be caused by a variety of reasons, on the one hand, because the baby’s stomach is horizontal and the cardia is flaccid, it is easy to spit up; on the other hand, if the intake is too full, it will also spit out the excess milk; in addition, the baby is not in the right position to eat milk or does not burp sufficiently, and the baby has indigestion, enteritis, congenital hypertrophic pyloric stenosis, etc. after there will be obvious vomiting phenomenon, and affect the baby’s growth and development, at this time need surgical treatment. However, if the baby continues to spit up, combined with fever, loss of appetite, refusal of milk, diarrhea, etc., it may be caused by the flu. If your baby spits up milk, you need to go to the pediatric gastroenterology department and take medication according to your doctor’s instructions.