The Research On

is one of the important classics in the period of "Xian Qin". This thesis intends to expound the actuality of in existence by the textual research and analysis in various ways.First,the research in the relationship of and mainly lays stress on finding the origin of in the elder edition.Second,the study in the relationship of and substancially put emphasis on making sure the limitation of the eporch of in the elder edition.Third,the inquiry in and principally explore the connection of them in order to continue from the above and introduce the following.Fourth,on the basis of the preceding studies, the solvability of the problems about is of vital importance to the judgement of its believable extent and actuality.Fifth,distinguishing the period of the history document is the critical point to the research in it. As a result,this thesis pays great attention to the written time of .Sixth,it thinks that the investigation of the remains must be borne out by evidence, and from which the actual state of can be seen clearly.Finally, looking at one spot on a leopard ,you can visualize the whole animal, as the old saying goes. The last part lays stress on the textual research and analysis so as to appreciate the unnoticed text easily and reasonably.