The condition of hot feet and palms in summer may be caused by physiological factors, such as high indoor temperature, wearing too much clothing, etc. It can also be caused by pathological factors, such as yin deficiency and fire. 1. Physiological factors: this condition is mostly caused by summer heat, high indoor temperature, wearing too much clothing, generally do not need treatment. 2. Pathological factors: Chinese medicine believes that heat in the hands and feet is mostly related to yin deficiency and exuberant fire. Under normal circumstances, the human body is in a state of balance between yin and yang, when the yin deficiency, the yang will be relatively exuberant, so that the body is in a state of yin deficiency and yang hyperactivity, the state of fire, which leads to heat in the hands and feet. This state of Chinese medicine is also known as the five heart heat (two hearts and two feet heart heat, and consciously heart and chest heat). Summer feet and palms of hot patients, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the treatment.