Vomiting after eating too much may be caused by imperfect digestion, sensitive throat, acute gastroenteritis, etc. It can be relieved by improving diet, quantitative feeding, oral medication, etc. under the guidance of the doctor. 1. Imperfect digestive function: Due to the young age of babies, the gastrointestinal tract is not well developed, so it is easy to have dysfunction after eating too much, resulting in vomiting symptoms. The symptoms can be relieved by improving the diet, such as eating light, easy-to-digest foods and avoiding eating too much, as the gastrointestinal tract function gradually improves. 2. Sensitive throat: If the baby’s throat is sensitive, when eating too much, it is easy to stimulate the throat leading to the vomiting reflex, resulting in vomiting. It is necessary to feed quantitatively and slowly. 3. Acute gastroenteritis: when the baby has acute gastroenteritis, due to pathogen invasion of the gastrointestinal tract, resulting in inflammation, may affect the digestive function, the phenomenon of vomiting after eating too much, under the guidance of the doctor can be relieved through the domperidone, cefixime, probiotics and other drugs. If necessary, parents should take the baby to the hospital pediatrics, clear the cause of the disease under the guidance of the doctor for appropriate treatment and therapy.