Two-year-old baby fever said stomach pain is common in the digestive system diseases, as well as other systemic febrile diseases and other conditions, the treatment needs to be based on the cause of the decision, such as acute appendicitis need to fight infection, if necessary, surgical treatment. 1. Digestive system diseases: (1) Acute appendicitis: a common digestive tract surgical disease in pediatrics, clinical fever, abdominal pain symptoms, abdominal pain can show persistent aggravation, some babies have atypical symptoms, treatment requires active use of antibacterial drugs (such as cefuroxime), if necessary, need to be evaluated by a physician for surgical treatment. (2) Acute gastroenteritis: clinical symptoms, often accompanied by diarrhea, vomiting and other symptoms, may have a history of inappropriate diet, the treatment needs to be reasonable feeding, the consideration of bacterial infections need to use antibacterial drugs (such as cefaclor) anti-infective treatment, and can be orally Clostridium typhimurium bacteria to regulate the intestinal flora. 2. Other systemic febrile diseases: such as acute upper respiratory tract infections, clinical fever symptoms, affecting gastrointestinal function, abdominal discomfort, often mild symptoms, abdominal pain can generally be relieved after the temperature is normal. The above drugs should be used under the guidance of a physician, the above symptoms can be seen in a variety of diseases, need to actively seek medical attention, evaluation and treatment by a specialist physician.