Young children diarrhea fever can be seen in acute enteritis, acute appendicitis and other conditions, the treatment needs to be based on the cause of the decision, such as acute enteritis caused by the need to reasonably reduce fever, if necessary, need anti-infective treatment. 1. Acute enteritis: can be caused by viral or bacterial infections, can use ibuprofen and other drugs to reduce fever, at the same time can be taken orally montelukast to stop diarrhea, clostridium typhimurium live bacteria such as regulating the intestinal flora, alleviate the symptoms of diarrhea, caused by viral infections are mostly self-limiting, no need to use anti-viral drugs, bacterial infections caused by the need to use antimicrobial drugs, such as cefixime anti-infective treatment. 2. Acute appendicitis: the disease can also appear in the above symptoms, but the main feature of the disease is abdominal pain, progressive aggravation, abdominal ultrasound and other tests can assist in the diagnosis, the treatment needs to actively use ibuprofen and other symptomatic antipyretic, while the use of antimicrobial drugs such as cefotaxime and other anti-infective treatment, if necessary, surgical treatment. Diarrhea and fever in young children can also be caused by other reasons, it is recommended to actively consult the doctor, by the guidance of the specialist treatment. The above medications should be used under the direction of a physician.