There is no clear fastest way to relieve children’s stomach pain, need to consult a doctor in time, by a professional doctor to clearly diagnose and take targeted treatment. 1. Acute gastroenteritis: children’s stomach pain accompanied by nausea, vomiting, diarrhea and other symptoms are considered to be caused by acute gastroenteritis, can be prescribed to take montelukast, intestinal probiotics and so on. If the symptoms are serious, sensitive antibiotics should be selected according to the results of bacterial culture. 2. Acute appendicitis: If children have pain in the right lower abdomen, accompanied by metastatic pain, fever, vomiting and other symptoms, most of them are considered to be caused by acute appendicitis, which requires surgical treatment. 3. Caused by food poisoning: If children accidentally eat poisonous or spoiled food, it may lead to food poisoning, abdominal pain, diarrhea, nausea, vomiting and other symptoms. They should seek prompt medical attention for gastric lavage, correction of electrolyte disorders and other treatments. 4. caused by intestinal obstruction: manifested as abdominal pain, abdominal distension, vomiting, stopping gas and defecation, applying antibiotics to prevent infection, intravenous fluids to replenish water and electrolytes as well as gastrointestinal decompression to improve the symptoms of abdominal pain, if the symptoms are not relieved, surgical treatment is needed to relieve the obstruction.