Bai Hu Tang can be used to treat the syndrome of heatiness of the qi division, which is characterized by strong heat and red face, thirst and thirst, sweating and malignant heat, and a large and powerful pulse. In the formula of Bai Hu Tang, Gypsum, the principal medicine, is good at clearing and resolving heat, transmitting heat out of the surface; Zhi Mu, the subject medicine, is bitter cold and moist, which can help Gypsum to clear the heat of the lungs and stomach, and nourish yin and moisten the dryness (nourishing the yin essence and clearing the heat evils). Gypsum and Zhi Mu are used together to enhance the function of clearing heat and generating fluids. Japonica rice and Radix et Rhizoma Glycyrrhizae can benefit the stomach and promote the production of body fluid. The herb licorice is also used to harmonize the herbs (harmonize the medicinal properties of different herbs). Therefore, the four medicines match to play the function of clearing heat and generating fluids, quenching thirst and removing vexation, so that the heat is cleared and the fluids are restored, and all the symptoms are resolved by themselves. If qi and blood are burnt (the evil heat outside is not relieved but continues to develop inwardly), inducing liver wind, see delirium tremens (confusion, nonsense), convulsions, add antelope horn, buffalo horn to cool the liver and calm the wind; if combined with yang-ming internal organs, see delirium tremens, constipation, urination, redness and astringency, add rhubarb, manganite to diarrhea heat and attack the accumulation of. If you need to take this medicine, you should be under the guidance of a doctor for scientific treatment.