Yili is so hard to read that the relevant research is not enough. Since the banning by Wang Anshi,Yili had no chance to be used in selecting talents in the imperial examinations,so as to be neglected accordingly by scholars,and its literary process was the slowest among the Three Lis. With its revival in Ming and Qing Dynasties,Yili became concerned more and more. The multi- performance and interpretation emerged in literary field,and some parts of the content even was carried into literary selection in late Qing dynasty,and its aesthetic role started to be set up. This evolution reflects the ...