According to Chinese medicine, hot flashes (a burst of fever) are pathological manifestations, mostly caused by yin deficiency, dampness-warmth (warmth caused by feeling dampness-heat), etc. Hot flashes can be relieved by active and timely intervention, but it is difficult to cure by itself, and it needs to be treated by taking medication and other means. Hot flashes mainly include yin deficiency hot flashes, daytime hot flashes, wet temperature (feeling dampness and heat caused by warmth) hot flashes, etc. Different hot flashes behave differently. For example, Yin deficiency hot flashes are mostly caused by low fever in the afternoon or at night, which is caused by Yin deficiency, and can be treated by clearing bone powder. This formula should not be used if the Yin deficiency is more severe and the hot flashes are mild. Hot flashes in the afternoon are more obvious and higher temperature, accompanied by abdominal distension, constipation and other symptoms, which is a solid evidence of Yangming viscera, and can be treated with Dachengqi Tang and other treatments. This formula is contraindicated in pregnant women, and should be used with caution in the elderly and infirm. Dampness, warmth and damp-heat is not hot when the skin is first pressed, and the longer the contact, the heavier the heat, belonging to the phenomenon of dampness and heat (dampness and heat evil qi contain vaporization of the internal organs), and can be treated with gentian diarrhea and liver soup. This formula should not be used for people with deficiency of spleen and stomach (spleen and stomach weak and cold) and yin deficiency and hyperactivity of yang (deficiency of yin fluid and hyperactivity of yang qi). It is recommended to consult a doctor for specific identification and use of medication, and to avoid unauthorized use of medication, so as not to cause delay in the condition.