Recurrent fever is usually caused by bacterial or viral infections, it is recommended that it is best to undergo routine blood tests in the hospital to clarify the cause and then give symptomatic treatment to quickly reduce the fever. If the fever is relatively low, not more than 38.5 ℃, pay attention to drink more water, more rest, choose warm water bath, alcohol wipe, towel wet compress and other methods can quickly reduce fever. If the body temperature is above 38.5℃, giving ibuprofen suspension or acetaminophen suspension orally can quickly reduce the fever. For those who cannot reduce fever, you can repeat giving antipyretic drugs at intervals of 4-6 hours, and at the same time, you can give physical cooling, such as wiping forehead, hands and feet with warm towels, drinking more warm water, maintaining a good indoor environment with appropriate temperature and humidity, and frequent ventilation in the room. For those who are diagnosed as infected, they should take anti-viral medication such as Ribavirin or Pudilan oral solution during the fever period. In addition to the examination and confirmation of the diagnosis and treatment with relevant drugs, symptomatic treatment should be carried out according to the different symptoms. For example, if there is phlegm, use expectorant, and if there is a lot of phlegm, aspirate; if there is abdominal distension, give local heat compress or anal tube exhaust; if the condition is more serious, oxygen should be administered, such as nasal tube for children in general and mask oxygen for severe cases.