The baby fever mental state is good, proving that the degree of infection is not serious or the baby still has a certain degree of resistance, at this time the need for symptomatic treatment, and monitor the body temperature, if necessary, to give anti-infective drugs. If repeated fever to go to the hospital in time to draw blood tests, check the blood routine, according to the results of the blood routine to give the corresponding drugs. Bacterial infections, also need to be treated with antibacterial drugs, viral infections can be observed or treated with appropriate antiviral drugs if necessary. Although the baby’s mental state is good, but also to observe whether there are other systemic symptoms, it is best to monitor the blood routine and other indicators of inflammation, to clarify the indications of infection, to give targeted drug treatment, the cause of the disease to deal with, in order to allow the temperature to return to normal. The use of drugs should be under the guidance of a doctor.