[Objective]Analyzing the effect of the theory thought of treating liver diseases from Zhang Zhongjing to Wang Xugao ’s book named“Xixi Library recorded”.[Method]To summarize the methods and experiences of treating liver diseases from Wang Xugao ’s book and to analyze the inheritance of the theory thought of treating liver diseases from Zhang Zhongjing to Wang Xugao.[result]Wang Xugao ’s book originated“the thirty methods of treating liv-er diseases”,based on his methods and experiences;he also generalized “liver qi,liver wind and liver fire ”as the essential points in liver diseases.[Conclu-sion]Dr. Wang Xugao was a famous physician skil ful at liver diseases ,and his theory thought of treating liver diseases basical y came from the theory of Dr. Zhang Zhongjing.