Frequent vomiting in children can be seen in acute gastroenteritis, recurrent vomiting, intracranial infections or metabolic disorders and other diseases, the specific need to analyze and judge according to the baby’s condition. 1. Acute gastroenteritis: there may be a history of unclean diet, clinical vomiting, accompanied by fever, diarrhea or abdominal discomfort and other symptoms, some children can be seen to improve the blood test white blood cells and other indicators of elevation. 2. Recurrent vomiting: it is a functional gastrointestinal disease, also known as cyclic vomiting syndrome, which can present the above symptoms, vomiting is more of a stereotypical attack, without obvious fever and diarrhea symptoms, can occur several times a year, often showing symptoms during the attack, no special symptoms. 3. Intracranial infections: such as bacterial meningitis, clinical fever, convulsions, some babies due to increased intracranial pressure can appear vomiting symptoms, vomiting often present jet vomiting, the disease perfect lumbar puncture examination can assist in the diagnosis. 4. Metabolic diseases: such as diabetic ketoacidosis with increased blood sugar, vomiting and other gastrointestinal symptoms, mostly accompanied by fatigue, depression, etc., the disease can be relieved after correction of vomiting. 5. Other: such as intracranial hemorrhage caused by trauma, the above symptoms can also occur. In addition, there are surgical diseases such as organic obstruction of the digestive tract that can also lead to frequent vomiting, such as esophageal atresia, congenital esophageal stenosis, congenital megacolon, anal atresia, intussusception, pyloric obstruction, gastric torsion, intestinal torsion and so on. Frequent vomiting in children is recommended to actively consult a specialist physician to make a comprehensive judgment, after a clear diagnosis for targeted treatment, to avoid missing the opportunity for treatment.