Abdominal pain and vomiting as soon as the child eats are mainly related to gastritis, gastric ulcer or gastrointestinal spasm. Parents should pay attention to the daily diet in addition to conditioning, if necessary, should take the child for timely examination and treatment of the symptoms. Common causes: 1, gastritis: children’s gastrointestinal function is relatively weak, improper diet can easily lead to gastritis, resulting in indigestion, abdominal pain, vomiting and other symptoms; 2, gastric ulcer: children do not eat on time, not moderate eating, infection with Helicobacter pylori, the gastrointestinal mucosa is susceptible to damage, the formation of ulcers, can be manifested as a meal on the symptoms of abdominal pain, vomiting, also accompanied by acid reflux, belching, obvious bloating and other symptoms; 3, gastrointestinal Spasm: The child eats too quickly or consumes cold, spicy food, causing the intestines and stomach to move too fast, triggering the phenomenon of intestinal spasm, resulting in abdominal pain, vomiting symptoms. Treatment: 1, due to improper diet caused by gastritis, parents can give the baby under the guidance of the doctor to take the stomach and appetite oral liquid to help eliminate appetite, and reasonable feeding to relieve or reduce the number of indigestion resulting in abdominal pain and vomiting once eating; 2, if the gastric ulcer is mainly caused by H. pylori infection, treatment requires anti-H. pylori drugs, can be under the guidance of the doctor with amoxicillin Clavulanic acid potassium, clarithromycin, omeprazole treatment; 3, gastrointestinal cramps can be relieved by hot compresses, massage abdomen, can also be under the guidance of doctors appropriate application of probiotics such as Bacillus licheniformis live capsules symptomatic treatment. Note: Parents should pay attention to the daily diet, give the baby the right amount of food, less cold, greasy, indigestible food, eat less and more meals to reduce the baby’s gastrointestinal burden, to avoid causing gastrointestinal discomfort, usually through rest, appropriate sports and exercise to enhance physical fitness.