There are many causes of foot fever, specifically the following: 1, foot fever may be caused by wearing too much clothing, wearing shoes too thick, wearing socks too thick; 2, neurological factors: whether there is nerve inflammation so that the two sides of the toes and the soles of the feet feel different, in fact, there may not be a real temperature increase but only the abnormal self-sensation. Many of these neurological problems may require the help of a neurologist to determine the existence of this condition and treatment; 3, inflammation of the bottom of the foot: inflammation caused by bacterial infection and aseptic inflammation. For the above reasons, symptomatic treatment should be carried out.