ABSTRACT
Objective] Firstly, to analyze the theoretical basis of the objective existence of the deficiency of liver Qi and liver Yang. Secondly, to make a discussion on the theoretical basis of nourishing liver Qi and warming liver Yang. Thirdly, to broaden the idea of liver disease diagnosis and treatment and then to improve the clinical efficacy. [Method] First, to collect and sort the discussion on the deficiency of liver Qi and liver Yang in the past dynasties medical books, and then to elaborate the objective existence of theoretical basis on deficiency of liver Qi and liver Yang. Third, to conclude the etiology and pathogenesis of deficiency of liver Qi and liver Yang. Finally, to summarize the clinical symptoms, coated tongue and pulse, and to sum up the commonly used medicine, representative prescription, external use of traditional Chinese medicine from their historical origin ,and treatment methods and so on.[Result] Deficiency of liver Qi and liver Yang exists objectively in liver disease patients and it was discussed as early as in the Huangdi Neijing. The practitioners of later generations also have a lot of relevant discussions and those proved the truth of deficiency of liver Qi and liver Yang. In fact, various factors can lead to deficiency of liver Qi and liver Yang. For example, deficiency of vital qi and pathogens invasion, can consume liver Qi and injure liver Yang. The main pathogenic factors of deficiency of liver Qi and liver Yang are phlegm, damp-toxin, blood stasis, and deficiency. For these liver deficiency patients, they not only pay attention to nourishing the liver-Yin and liver blood, but also value nourishing the liver-Qi and warming liver Yang. So nourishing liver Qi and warming liver Yang is an important content in the theoretical system of traditional Chinese medicine.[Conclusion] By summarizing and inducing the historical origin, etiology and pathogenesis, clinical diagnosis and treatment method of the deficiency of liver Qi and liver Yang. As can be seen ,nourishing liver Qi and warming liver Yang is an important principle in the treatment of liver diseases. In the diagnosis and treatment of liver disease, we should pay attention to nourishing liver Qi and warming liver Yang, which can improve the clinical efficacy and enrich the theory of traditional Chinese medicine diagnosis and treatment of liver disease.