Children with fever and vomiting can be seen in the digestive system diseases (such as acute gastroenteritis, acute appendicitis), in addition to the digestive system of other febrile diseases (such as acute upper respiratory tract infections) and other conditions, the treatment needs to be carried out according to the cause, such as acute gastroenteritis should be adjusted to the diet, and at the same time, as appropriate, anti-infective treatment. 1. Digestive system diseases: (1) Acute gastroenteritis: clinical symptoms such as fever and vomiting may appear, and some children may have diarrhea. The treatment of such children should first adjust the diet, eat light, easy to digest food, for vomiting serious, if necessary, need to prohibit diet. For fever, such as temperature over 38.5 ℃ can be oral ibuprofen and other drugs to reduce fever; for diarrhea severe children should be actively rehydration; the presence of bacterial infection need to use antibacterial drugs, such as cefaclor and other anti-infective treatment. (2) Acute appendicitis: it is a common gastrointestinal surgical disease in pediatrics, the above phenomenon can be seen in the clinic, most of them are accompanied by abdominal pain, and the treatment needs to use cefuroxime anti-infective treatment, and surgery is needed if necessary. 2. In addition to other febrile diseases of the digestive system: such as acute upper respiratory tract infections, clinical recurrence of fever, can affect gastrointestinal function, vomiting symptoms. Treatment, such as temperature over 38.5 ℃ need to be reasonable antipyretic, such as the use of acetaminophen symptomatic antipyretic; if caused by bacterial infection, oral cefixime and other antibiotic treatment. Vomiting can be relieved when the primary disease improves. The above drugs should be used under the guidance of a physician, and it is recommended to actively seek medical advice from a specialist.