Children with fever after vaccination can take different methods to reduce fever according to the temperature of the fever, the temperature does not exceed 38.5 ℃ can be through physical methods to cool down, the temperature exceeds 38.5 ℃ or more can take antipyretic drugs to reduce fever. Children’s fever after vaccination is a relatively common reaction, the general fever temperature will not be too high. 1. If the temperature is below 38.5 ℃, physical cooling can be enough, you can use warm water to wipe the child’s neck, abdomen, back and other locations, you can also give the child to paste the cooling patch. 2. If the temperature exceeds 38.5 ℃, you can use antipyretic drugs under the guidance of a doctor, such as ibuprofen suspension, need to pay attention to the side effects of drugs, such as nausea, heartburn and other adverse reactions. It is recommended that children with fever after vaccination can go to the hospital in time to check, and then treated under the guidance of the doctor.