There are many conditions that can cause vomiting in children, and the causes of vomiting in children need to be clearly identified according to the performance of the baby, and the root cause of vomiting in babies can be treated by finding the cause and giving targeted treatment. Vomiting in babies is often caused by digestive system diseases. If vomiting is frequent after birth, attention should be paid to the developmental abnormalities of the digestive system such as intestinal atresia, etc. Other diseases such as acute gastritis, gastroenteritis, digestive disorders, intestinal overlap, etc. may also show vomiting, such as respiratory tract infections, central nervous system infections, etc. Generally, doctors need to clarify the cause of vomiting according to the baby’s condition combined with the necessary auxiliary examinations. The cause of vomiting can be determined by the doctor in conjunction with the necessary tests. If a child vomits, he or she should be treated from the following aspects: 1. 2, can be given under the guidance of the doctor’s treatment of drugs, such as vitamin B6, probiotics, etc., can improve digestive function, reduce the symptoms of vomiting. 3, care, proper warmth, avoid abdominal cold, prepare light and easy to digest food for the baby can help improve the digestive function. 4, avoid dehydration, vomiting frequently may lead to dehydration, need to give the baby appropriate more water, generally can use oral rehydration salt, but if vomiting frequent sometimes need intravenous rehydration.