The characteristics of "Zuo Shi Chun Qiu" are: good at narrative, combining words and events, good at depicting characters, and paying attention to recording and diction. "Zuo Zhuan" is an important classic that records the social conditions of the Spring and Autumn Period, and has an important influence on the history and literature of later generations. The scope of materials for "Zuo Shi Chun Qiu" includes royal archives, Lu Shi policy books, and the history of princes and states, etc. The records are basically in the order of the Twelve Dukes of Lu in the Spring and Autumn Annals, and the content includes appointments, alliances, expeditions, weddings and funerals, usurpation and murder among the vassal states, etc., which has an important influence on the history and literature of later generations.