Due to the instability of the thermoregulatory center in children, various factors can cause recurrent fever in children. For the phenomenon of recurrent fever in children, the first thing you should do is to go to the hospital to improve the relevant examination, to clarify the cause of the fever, and to carry out cause-specific treatment as well as symptomatic treatment, both of which are complementary to each other, so that the effect will be more significant. 1, the cause of treatment 1, infectious fever: most of them are caused by infection, including viral infection and bacterial infection, should be targeted to apply anti-inflammatory and antiseptic or antiviral drug treatment, to be cleared of pathogens in the body, only then can relieve recurrent fever. 2, non-infectious fever: dehydration, leukemia, tumors and other non-infectious diseases may also lead to recurrent fever, and should be treated for the corresponding diseases. Second, symptomatic antipyretic treatment 1, physical cooling: if the fever temperature is relatively low, not more than 38.5 ℃, pay attention to drink more water, more rest, choose warm water bath, warm compresses and other methods to reduce fever, it is recommended to focus on wiping its neck, armpits, groin and other places; can also use antipyretic paste on the forehead area, with the effect of cooling. 2.Medication: If the body temperature is above 38.5℃, take antipyretic medication under the guidance of a doctor, such as giving ibuprofen suspension or acetaminophen suspension orally. For those who cannot reduce fever, antipyretic drugs can be given repeatedly at intervals of 4-6 hours, together with the above-mentioned physical cooling.