If we look at Chinese medicine, the most common cause is internal fire, usually due to excessive liver fire and heart fire and lung fire, resulting in clinical symptoms and performance of hot feet in summer. Hot feet in summer are also associated with endocrine and metabolic diseases, the most common cause being hyperthyroidism, which can lead to clinical symptoms of hot feet and elevated temperature in summer. Hot feet in summer is also associated with diseases that occur in summer, such as heat stroke, which can lead to an increase in body temperature and hot feet in summer. In the summer in the heat of the summer season when people are prone to fire, fire will occur, for example, infection, especially in the foot susceptible to fungal and bacterial infections, will also appear the clinical symptoms and performance of hot feet.