Discussion of "Shang Jiu Tian Ren" in "the Preface of Shi Pin" from the Understanding to "Shang" of Literatis in Six Dynasties

Some scholars think,it is not shang jiu tian renbut xue jiu tian renin the preface of Shi Pin.In fact,this is a wrong.It can be explained through below sides:Shang jiu tian rennot only smooth,but also express the tendency of aesthetics that time even more;Some material can be discussed in the basis ofxue jiu tian ren;If xue jiu tian renis correct,it violate a principle of Zhong Rong who advocate that the poem should be created through feeling,not though knowledge;It is not conform to the situation of words and the trend of thought of XuanXue.This opinion's spreading shows the aesthetic category's influence.