“Guang jiao chou lue” (《廣校讎略》), an early masterpiece by Professor Zhang Shunhui (張舜徽) (1911-1992), has a significant impact on the theory system of Philology. It adopts widely the pre-existing discussions, which makes it have great historical significance inheriting the past and opening future. Jiao Chou Xue (《校讎學》) is one Textualism theory works by Xiang Zonglu (向宗魯) (1895-1941), which is completed earlier, be a system, both theoretical and practical.It reflects the author’s objections to the idea of “Jiaochou” (校讎).