If your child vomits every now and then, it may be caused by physiological phenomena or gastroesophageal reflux or pneumonia. 1 Physiological phenomenon: Smaller babies, because the stomach is horizontal, when the food intake is too much, it is easy to vomit. As long as the vomiting is infrequent, the amount is not large, there is no other discomfort after vomiting, and the mental state is particularly good, it can be temporarily observed and handled. 2. Gastroesophageal reflux (GERD): In some children, GERD can occur repeatedly due to abnormalities in the emptying mechanism of the gastroesophagus and the looseness of the entrance to the stomach. If accompanied by heartburn, nausea, vomiting, weight loss, etc., need to seek medical attention. 3. Pneumonia: The clinical manifestations of pneumonia in younger babies are often atypical, often characterized by spitting up, choking, shortness of breath, spitting and other manifestations. May or may not be accompanied by fever, this situation requires timely medical attention, follow the doctor’s instructions for treatment. There are many other reasons why a child may spit up every now and then, so it is advisable to consult a doctor in time to find the cause and cooperate with the doctor for active treatment.