Repeated fever in small children can be seen in the nervous system (such as bacterial meningitis), the respiratory system (such as respiratory infections) and other diseases, need to be combined with the baby’s clinical manifestations of specific judgment. 1. Neurological diseases: such as bacterial meningitis, viral encephalitis, may appear repeatedly fever, accompanied by depression or convulsions and other manifestations, improve the lumbar puncture examination can assist in the diagnosis. 2. Respiratory diseases: such as acute upper respiratory tract infection, the above phenomenon can occur, may be accompanied by nasal congestion or cough and other symptoms, for bacterial infections caused by the visible indicators of infection such as C-reactive protein increased significantly. 3. Other: Kawasaki disease, leukemia, acute glomerulonephritis, etc. may also lead to recurrent fever in small children. Repeated fever in small children may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.