Baby jet vomiting should be treated differently according to different reasons, and the following cases are common: 1, central nervous system infection or intracranial hemorrhage, resulting in increased intracranial pressure, resulting in jet vomiting, but most of them are extremely depressed or extremely irritable, sometimes accompanied by convulsions and other symptoms, requiring timely cranial CT or nuclear magnetic, cerebrospinal fluid and other related examinations. 2, congenital pyloric stenosis or hypertrophy The baby will have vomiting in about half an hour after each feeding, and the physical development will be very poor.