Chinese medicine believes that hot flashes (a bout of fever) a bout of sweating is related to gastrointestinal dryness and heat, yin deficiency and fire (deficiency of yin and essence in the body, resulting in hyperactivity of deficiency fire), and dampness and heat within the body. Hot flashes refer to the symptom of having a fever on time, or having a fever that worsens on time, as in the case of a tidal wave. Tidal fever can be divided into Yangming tidal fever, yin deficiency tidal fever, and damp-warmth (warmth caused by feeling dampness and heat) tidal fever. Yangming hot flashes manifested in the afternoon fever and sweating obviously or more heat, and accompanied by abdominal fullness, hard pain, constipation, thirst and cold drinking, etc., which is due to gastrointestinal dryness and heat within the knot (dryness and heat evil Qi accumulated in the body) caused. Yin deficiency hot flashes manifested in the afternoon and night low heat sweating, five heart heat (two hearts and two feet heart heat, and conscious of the heart and chest heat) or bone vapor night sweating (after going to sleep sweating abnormally, waking up sweating to stop), accompanied by two zygomatic flushes (cheekbones on both sides of the face red), dry mouth and throat and other symptoms, which is due to the Yin deficiency of the fire due to. Damp temperature and damp heat manifested in the skin at the beginning of the first touch does not feel very hot, but a little longer, that is, feel burning hands with a slight sweat, and accompanied by head and body heavy (head and limbs heavy feeling), chest tightness and epigastric plumpness and so on, this is due to the dampness and heat caused by the internal ambush. The above symptoms should be timely consultation, under the guidance of a professional physician to identify the evidence of treatment, in order to avoid delays in the condition.