Children with stomach pain first need to rule out whether there is mesenteric lymphadenitis, it is recommended to go to the hospital to do a periumbilical lymph node ultrasound examination. If it is mesenteric lymphadenitis, it can be treated by applying antibiotics to fight infection, usually use penicillin such as amoxicillin clavulanate potassium. At the same time, pay attention to the diet of light and easy to digest food, avoid spicy stimulating, cold food. If it is metastatic abdominal pain, can not rule out appendicitis, you need to do ultrasound of the appendix area. If there is appendicitis, milder can be treated by infusion; if the condition is more serious, such as pus, it needs to be treated by surgery.