There are many factors that induce recurrent fevers in children, and parents and friends should pay more attention to them on a daily basis in order to avoid re-victimization of their children. The common triggering factors are infections, connective tissue diseases, tumors, etc. Infection: Infection is the most common condition that causes recurrent fever in children. The pathogens mainly include bacteria and viruses, etc. Once the bacteria and viruses invade the child’s gastrointestinal tract and respiratory tract, they will cause fever, and this fever usually recurs, so more attention should be paid to it. Connective tissue diseases: such as Kawasaki disease and rheumatic fever also often cause persistent fever in children, which is often combined with other manifestations, such as rash and swollen lymph nodes. Tumors also tend to cause recurrent fever in children, such as leukemia and other hematological tumors, which are common in children, and children may also have bleeding, anemia and enlarged liver and spleen. Seek medical examination information. The child’s recurrent fever may be related to a variety of and causes, and parents need to be reminded that if there is a persistent high temperature, they must go to the hospital in time to find out the triggering cause for targeted treatment.