In the Western Jin Dynasty, To Yo (Du Yu) wrote "Shunjukeidenshikkai" (the Compiled Annotations of the Spring and Autumn Classic and its Commentary), an annotation for "Chunqiu Zuoshi Zhuan" (Master Zuo's Commentary to the Spring and Autumns), and created his original example-based interpretation of Shunju (Spring and Autumn Annals) to complete the Shunju learning based on commentary of Zuo.
西晋では杜預（どよ）が『春秋左氏伝』に注して『春秋経伝集解』を作り、独自の春秋義例を作って左伝に基づく春秋学を完成させた。