A one-year-old baby’s fever may be related to bacterial infection, viral infection and other factors, the most effective way to reduce fever is, if it is not more than 38.5 ℃ is based on physical cooling, if it is more than 38.5 ℃, you need to use antipyretic drugs, and at the same time, actively target the cause of the disease treatment. One year old baby fever, first of all to measure the body temperature, if not more than 38.5 ℃, it is recommended to physical cooling, such as the use of warm towels to wipe the baby’s armpits, palms and other locations; if more than 38.5 ℃, you need to use the relevant antipyretic medication, such as ibuprofen, acetaminophen and so on. In addition to symptomatic treatment, you also need to pay attention to the treatment of the cause, go to the hospital for routine blood tests, if it is a bacterial infection, you also need to cooperate with the use of cephalosporin, amoxicillin and other drugs. If it is a viral infection, no other comorbidities can be temporarily without special treatment, monitor the body temperature, drink more water and rest, generally has a self-healing, if the influenza virus infection, you need to cooperate with the use of oseltamivir and other drugs treatment. The above medications are recommended to be used under the guidance of a doctor, and should not be taken on their own.