Nine-month-old baby fever needs to be based on the temperature of the fever using appropriate cooling methods, generally can take physical cooling, drug cooling, etc., specific analysis is as follows: 1. Physical cooling: baby if the temperature of fever does not exceed 38.5 ℃, it is recommended not to use antipyretic drugs, can be given to the physical cooling, such as giving the baby a warm bath or warm water to wipe the body, give the child more to drink warm water, take away the heat and so on. 2. medication: if the baby fever temperature exceeds 38.5 ℃, you need to follow the doctor’s instructions to take antipyretic drugs, commonly used antipyretic drugs have ibuprofen suspension, etc., need to pay attention to the side effects of the drug, such as heartburn, nausea, drowsiness and other adverse reactions. Nine months the baby fever, but also need to actively find the cause of fever, clear cause to give targeted treatment. The medication should be used in accordance with the doctor’s instructions.