2 years old 2 months baby fever 40 degrees how to do

2 years old 2 months baby fever 40 degrees need to immediately go to the hospital for examination and diagnosis, after the diagnosis of the cause and then take targeted treatment measures. General fever to more than 40 degrees, indicating that the child's body has virus infection phenomenon, need timely infusion treatment. Usually pay attention to keep warm and drink plenty of water. Avoid catching cold and so on.