A Return to the Original Understanding of Bu Zhong Yi Qi Tang

The formula Bu Zhong Yi Qi Tang was created by Dr. Li Dongyuan (Li Gao) during the Jin Dynasty, and first appeared in his book Nei Wai Shang Bian Huo Lun (Clarifying Doubts About Injury from Internal and External Causes, 1247 CE). Today it is one of the most frequently used Chinese herbal formulas. The functions of Bu Zhong Yi Qi Tang are to tonify the Spleen and Stomach qi, ascend yang, treat stagnation and prevent yin fire, manifesting as fever and other heat symptoms. The functions of treating stagnation and preventing yin fire are often overlooked by modern texts and the purpose of this article is to explain how these two patterns arise and how they were addressed by

Dr. Li in treatment.