Children who have fever after taking antipyretic drugs first need to reasonably reduce fever, such as the correct use of ibuprofen and other drugs, and at the same time need to clarify the cause of fever and treatment, such as influenza can be considered using oseltamivir phosphate treatment. Fever is a common symptom of pediatrics, can be seen in a variety of diseases, in the course of the disease can appear temperature recurrence, such as the use of antipyretic drugs to reduce fever after fever phenomenon, for such children, need to be guided by a physician to correctly and reasonably use antipyretic drugs, such as ibuprofen or acetaminophen, etc., such as an interval of 4 to 6 hours can be repeated after the use of time is not enough to carry out the physical cooling such as warm-water wipes. At the same time, it is necessary to actively identify the causes of recurrent fever, such as influenza children can appear in the above phenomenon, the treatment can use oseltamivir phosphate treatment. Recurrent fever can also occur in Kawasaki disease, which can be treated with gammaglobulin and aspirin after diagnosis. These medications should be used under the supervision of a physician, as they can be seen in a variety of conditions and should be evaluated by a physician.