Zhang Xue-Cheng (章學誠) was born in the reign of Emperors Qianlong & Jiaqing, the fine higher textual criticism is very popular, he wants to the tedious textual criticism school tradition to have the correction and the recovery, therefore proposes his unique research knowledge viewpoint. Zhang Xue-Cheng the honest research knowledge's viewpoint is take discriminates ”the knowledge” and ”the skill” the difference as a foundation, and emphasizes ”the personality” regarding the achievement ”studying specially” importance; Further revelation ”abundant” and ”approximately” the mutual union can achieve right ”says” realizing; By ”the correction atmosphere”, ”does not hasten the atmosphere” the doing scholarly research way to establish a new school; ”Lies within take the road” as fundamentally, but shows ”Theory of Six Confucian Classics Being History, to say by Shi Ming, expanded the history research field of vision and the scope, stressed that the history research regarding ”governs of very practical use” important, therefore his unique research knowledge's viewpoint has the very profound influence to the Qing Dynasty and the later generation history.