The causes of hot hands and hot feet include yin deficiency fever and fire-heat internal stasis. 1. Yin deficiency fever: the main points of identification are afternoon bouts of fever, or night fever, irritability, short sleeping time, dry mouth and throat, and dry red tongue. The treatment is to nourish the yin fluid and remove the deficiency heat in the body, and the formula is to clear the bones. This formula should not be used if the deficiency of yin is high and the hot flashes (flashes of heat) are mild. 2. Internal stasis of fire-heat: Fever with low temperature or bouts of fever, fever symptoms related to mood swings, depression, fondness for sighing and irritability are the main points of diagnosis. The treatment is to comb and regulate the liver’s qi, clear the liver’s fire-heat evil, the formula is Dan gardenia free and easy san plus reduction. Contraindications are not clear. Precautions are not clear. Prompt medical attention is recommended when uncomfortable symptoms occur. Chinese medicines or proprietary Chinese medicines need to be used under the guidance of a Chinese doctor to identify the symptoms, and individuals should not use them blindly to avoid adverse consequences.