＂left liver and fight lung＂ was found in the Huangdi Neijing. This paper was concluded from the analysis of literature. ＂Liver located in the left and lung descending from right＂ is the liver and lung physiological characteristics for the ancients and the essence of the liver and lung activities of qi hoisting. That embedded the pathological changes in liver and lung. The above theory was applied to clinical practices： regulating the activities of qi hoisting, or left blood and right qi treatment by physicians...
