Hot hands and feet may be due to high environmental temperature, Yin deficiency and fire (Yin essence deficiency in the body, the emergence of hyperactive fire) and other factors. 1. Excessive environmental temperature: the environment is at a relatively high temperature, which can lead to an increase in skin temperature and the symptoms of hot hands and feet. 2. Yin deficiency and fire exuberance: the condition is related to overwork, old age and prolonged illness, and too much intercourse, etc. The patient may have five heart-heat (heat in the heart of the two hands and the heart of the two feet, and self-consciousness of the heart and chest), which is mainly manifested as heat in the heart of the hands and the feet, and dryness and heat in the heart and chest, etc. Hot flashes (a burst of heat), night sweating (abnormal sweating after going to sleep, and stopping sweating after waking up), and other symptoms may also be present. Those with Yin deficiency and fire can take Liu Wei Di Huang Wan or Zhi Bai Di Huang Wan under the guidance of a doctor for evidence-based treatment. There are many symptoms that cause hot hands and feet, it is recommended that patients go to the hospital in time to identify the cause of the relevant treatment. Do not take medication without authorization, so as not to delay the condition.