宋儒疑古惑經，是中國經學史上一特有之文化現象。而文化現象的形成，往往立基於古人諸多複雜思維的集結與統整。因此， 解讀任何文化現象，除了就可觀察的表象略加詮釋外，更重要的是， 還應對於當中潛藏之意義系統，有所把握。本文的寫作，與以往研究者的關注點，稍有不同，主要側重釐析俞廷椿《周禮復古編》一書的編纂邏輯，就俞書的撰作旨趣、論證原則及改編《周禮》義理架構之步驟，出示重點評論，藉此勾勒俞氏由「疑古」走向「變古」的治學軌跡，從而闡明俞書在宋代《周禮》學發展史上不可抹滅的時代意義。

The suspicious thinking of scholars in Sung Dynasty is one of the special culture through the whole history of Chinese classics. That culture be¬hind has many complex and logical powder of thinking. Thus, the real expla¬nation of the culture, we observe not only the outwardly meaning of words, but the meaning system in hiding. The aim of this paper emphasize the sight of historical point, it analyze the logical way of edition about the Book “Zhōu Lǐ Fùgǔ Biān” by Yú tíng-chūn, and take important issue to criticize the writ¬ing principles of Yu. The paper show out Yu’s steps to rebuild the stand of the Book Zhou-Li, and also prove the thinking track of Yu from the suspicious way to the changing way for ancient history. We try to give him back the true position for the research in Zhou-Li of hi ttime.