现代中国 

 Spring classes： 《君子时代的争霸——左传二十讲》 Read works of He Jin at 百家争鸣

　　Received a doctorate in history in 1997, currently Associate Professor of History, Peking, lecture on "Selected Works of Chinese History," "Ancient Chinese", "Examples of Pre-Qin history books" and other courses; major research Qin Shi, the ancient Chinese historical documents, especially the Confucian classics , of having "Jia, service note and Comparative Study of Du Note", "national policy of war" and so on.