Children with fever and stomach pain can be seen in acute gastroenteritis, acute appendicitis or upper respiratory tract infections and other diseases, treatment in addition to symptomatic fever treatment, but also according to the cause of the targeted treatment, such as acute appendicitis need to be anti-infective or surgical treatment. 1. Acute gastroenteritis: clinical fever, abdominal pain symptoms, often accompanied by vomiting, diarrhea symptoms. These babies need to be treated with dietary adjustments, easy-to-digest foods, and short fasting if necessary. If not relieved, can be taken orally four mill soup oral liquid or clostridium typhimurium live bacteria to relieve the symptoms of abdominal pain, the course of the disease if the fever exceeds 38.5 degrees, can use ibuprofen and other antipyretic drugs to reasonably reduce fever, the existence of bacterial infections require the use of antimicrobial drugs, such as cefuroxime anti-infective treatment. 2. Acute appendicitis: it is a common gastrointestinal surgical disease in children, and clinical fever and stomach pain can also occur. After perfect examination and clear diagnosis, the treatment needs to actively use antibacterial drugs, such as cefotaxime anti-infective treatment, and the physician’s assessment of the discretion of surgical treatment. 3. In addition to digestive diseases, respiratory diseases, such as acute upper respiratory tract infections may also appear fever, this time affecting gastrointestinal function, resulting in abdominal pain and other symptoms, the course of the disease in addition to symptomatic antipyretic, viral infections can be taken orally antiviral combination of four seasons of treatment, bacterial infections can be taken to take medication, such as cephalexin treatment. Children with fever and stomach pain may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, give targeted treatment or treatment. The medication should be in accordance with the doctor’s instructions.