Consumption of Gui Zhi Tang may cause manifestations of fire. Gui Zhi Tang can dissolve muscles and release Qi (using sweating and other methods to make the evil Qi trapped on the surface of the muscles to go out) and harmonize Ying and Wei (making the internal and external Qi of the body smooth and in their respective roles). It is used for external wind-cold infection. Headache and fever, sweating and malignant wind, nasal ringing and dry vomiting, white moss without thirst, and floating or weak pulse. Gui Zhi Tang consists of Gui Zhi, Paeoniae Alba, Ginger, Jujubes and Licorice, and most of the medicines in the formula are warm herbs, so if Gui Zhi Tang is taken in excess or for too long, it may cause fire and symptoms such as sores on the mouth and tongue, sore throat, and dry stools. If you need to take Gui Zhi Tang, you need to be instructed by a doctor, and you can report to your doctor if you have any symptoms of fire during the course of taking it.