There are many reasons for children’s stomach pain when eating, usually due to improper diet, acute gastritis, mesenteric lymphadenitis and other factors, and can be selected under the guidance of the doctor’s daily life care as well as drug treatment. 1. Improper diet: If the child eats fast and overeats, it may lead to stomach pain when eating. It is recommended that children correct their eating habits, avoid overeating, and keep chewing and swallowing slowly to ease the burden on the gastrointestinal tract, thus relieving the phenomenon of stomach pain after eating. 2. Acute gastritis: If your child has acute gastritis, it may lead to stomach pain when eating. It is recommended to use omeprazole enteric-coated tablets, cimetidine tablets, L-glutamine sodium crotonate granules and other drugs under the guidance of the doctor. 3. Mesenteric lymphadenitis: children’s stomach pain when eating may also be the case of mesenteric lymphadenitis, need to pay attention to bed rest, intravenous fluids to prevent dehydration and electrolyte disorders, the use of antibiotics such as penicillin, ceftazidime and other drugs for treatment. All of the above drugs should be used under the guidance of a doctor, avoid self-medication. There are many other causes of stomach pain in children after eating, and it is recommended to consult a doctor in time to be evaluated and treated by a specialist.