Chung Ruo-shui is the important scholar in the Ming Dynasty. He is Chen Xian-Zhang's student and slso as famous as Wang Yang-Ming. "Chun-qiu zheng-zhuan" is important books which he wrotee. But few scholars carry on research to this theme. This thesis studies the "Chun-qiu zheng-zhuan" for the first time. Discussing the localization of the "Chun-qiu zheng-zhuan" and explanation method in main focal point. Chung Ruo-shui maintain the Chun-qiu is written by Confucius, but the materials are all obtained from old history books among them. Confucius only leaves out some contents, has not changed its content. Chung Ruo-shui mainly explain the Chun-qiu must possess two terms: Find out about historical fact and Unselfish judgement. Chung Ruo-shui explains the Chun-qiu not only has theories but also has real achievements.