Two-year-old baby fever can be seen in neurological diseases, respiratory diseases, digestive diseases, etc., there is no fever tips, need to give reasonable treatment according to the condition. 1. Neurological diseases: such as bacterial meningitis, fever, convulsions, depression and other symptoms, some children can appear jet vomiting, need to use antibacterial drugs (such as cefoperazone) anti-infective treatment; discretionary use of mannitol to reduce intracranial pressure; when the body temperature is more than 38.5 ℃, the use of antipyretic drugs (such as ibuprofen) symptomatic fever. 2. Respiratory diseases: such as acute upper respiratory tract infection, fever, throat discomfort, etc., mostly caused by viral infections, generally self-limiting disease, can be appropriate to use four seasons of antiviral combination therapy; fever can be reasonable symptomatic antipyretic, such as body temperature does not exceed 38.5 ℃, the use of lukewarm water to wipe the forehead and other means of antipyretic, and dynamic monitoring of body temperature, observe the state of mind. 3. Digestive system diseases: such as acute diarrhea, fever, vomiting, diarrhea or abdominal discomfort and other symptoms, the treatment should pay attention to a reasonable diet, symptomatic antipyretic, the use of montelukast to relieve the symptoms of diarrhea, such as the combination of bacterial infections, but also the need to use antimicrobial drugs (such as cefaclor) anti-infective treatment. 4. Others: For example, Kawasaki disease, fever can also occur, and requires the use of gammaglobulin and aspirin treatment. All of the above drugs should be used under the supervision of a physician, and it is recommended to actively consult a doctor for reasonable treatment.