There are several reasons for foot fever in summer: 1, if from the perspective of Chinese medicine, this is caused by excessive fire, caused by excessive liver fire or heart fire and foot fever, related to the lower jiao fire. 2, if from the perspective of Western medicine, foot fever in summer is usually due to endocrine and basal metabolic rate diseases, caused by high basal metabolic rate and foot fever, common in people with hyperthyroidism and hyperadrenocorticism. 3, in the summer when there are precursors of heat stroke, such as heat cramps and heat exhaustion, there will also be clinical symptoms of overheated soles and feet. 4, such as the presence of infectious factors will also appear foot fever, such as peripheral tissues, skin around the foot skin infection caused by purulent bacteria, such as local tissue cellulitis will also appear on the soles of the feet, redness, swelling, heat, pain accompanied by certain dysfunction.