Children’s stomach pain and vomiting after eating can be caused by colds, indigestion, gastroenteritis, intussusception and other factors. 1. Cold: it may be caused by cold, when children have a cold, it may be accompanied by loss of appetite, nausea and vomiting, abdominal pain and other symptoms, and may appear the performance of stomach ache vomiting after eating. 2. Indigestion: when the diet is not proper, after eating too much greasy food, it can cause indigestion, after eating, abdominal distension, abdominal pain and vomiting and other uncomfortable symptoms. 3. Gastroenteritis: Acute gastroenteritis can occur in the gastrointestinal tract due to bacterial and viral infections and spicy and stimulating diets, which can lead to eating pain with vomiting. 4. Intussusception: due to intestinal peristaltic rhythm disorders and other factors can lead to the occurrence of intussusception, intussusception in children can be manifested as abdominal pain, blood in the stool and abdominal mass, but also vomiting and other discomforts after eating. Children who have stomach pain and vomit after eating need to consult a doctor in time, and under the guidance of a specialist to actively carry out appropriate treatment, which will help to alleviate the uncomfortable symptoms as soon as possible.