Chickenpox fever is risky and may induce complications such as pneumonia. Chickenpox is a respiratory infectious disease caused by varicella-zoster virus infection of the human body, the incidence of children is high, during the chickenpox virus infection can appear symptoms of fever, usually not more than a week, fever does not exceed 39 degrees, but if the fever persists need to rule out the existence of secondary inflammation of the lungs and other problems. Chickenpox is a self-limiting disease, and most patients recover gradually within 14 days. With a temperature over 38.5 degrees and a persistent fever, it is recommended that an auscultation of the respiratory tract be performed, and, if necessary, chest imaging tests to determine whether there is a problem with pneumonia. When fever is present, it is important to drink plenty of fluids and monitor the body temperature. If the temperature exceeds 38.5 degrees, use antipyretic medications, such as acetaminophen or ibuprofen suspension, in a timely manner. For children with chickenpox, it is recommended to consult the Department of Infectious Diseases of the regular hospital, under the guidance of the physician to use medication, do not blindly use their own medication.