Children vomiting stomach pain fever, can be seen in acute gastroenteritis, acute appendicitis and other conditions, intervention needs to be given according to the cause of the intervention, such as acute appendicitis need to actively fight infection, if necessary, surgical treatment. 1. Acute gastroenteritis: children can have a history of unclean diet, clinical fever, vomiting and abdominal discomfort and other symptoms, treatment needs to pay attention to diet, vomiting severe need to fast for a short period of time, treatment can be taken orally to alleviate the symptoms of abdominal pain, the body temperature of more than 38.5 ℃ need to use antipyretic drugs (eg, Ibuprofen) symptomatic antipyretic, for the presence of bacterial infections need to be used in the use of antimicrobial drugs (eg, Cefaclor) anti-infective treatment. For bacterial infection, antibacterial drugs (such as cefaclor) should be used. 2. Acute appendicitis: a common gastrointestinal surgical disease in pediatrics, clinical fever, abdominal pain and vomiting and other symptoms, and in severe cases, diffuse peritonitis can occur, perfect blood routine and abdominal ultrasound can assist in the diagnosis of the treatment of the need for active use of antimicrobial drugs (such as cefoperazone sulphadiazine sodium) anti-infective treatment, and if necessary, surgical treatment. 3. Other: such as acute upper respiratory tract infection, clinical fever, affecting gastrointestinal function, vomiting, abdominal pain and other gastrointestinal symptoms, usually mild symptoms, the treatment requires a reasonable diet, the use of ibuprofen symptomatic antipyretic, and active treatment of primary diseases. All of the above medications should be used under the guidance of a physician, and it is recommended to actively consult a specialist for evaluation and judgment.