There are hundreds of causes of fever in the heart of the feet after a cold, but the common causes of fever are considered to be related to infectious factors and possibly yin deficiency, so it is important to identify the cause before determining the treatment. Infectious factors can be caused by bacterial or viral infections, treatment is based on the pathogenic results of anti-infection, the use of antipyretic drugs alone to treat the symptoms does not cure the root cause, it is recommended to go to the hospital for routine blood tests, calcitoninogen and other related indicators, to determine the cause and then the symptomatic treatment. If repeated fever indicates that the condition has not been effectively controlled, it is recommended to seek medical attention in a timely manner and improve the relevant tests to guide further diagnosis and treatment, and if necessary, hospitalization.