古代著作的序、跋常常包含了作者的文学见解和批评意见,因此成为古代文论研究的重要对象。对《战国策》一书,一向颇有争议,历代为这部书所写的序跋也存在着截然不同的意见,其中所包含的批评理论就更为丰富。西汉成帝时,刘向校书,对记载战国策士言行的一些简策加以整理,据“国别者八篇”编定,名之为《战国策》。刘向作《战国 The prefaces and postscripts of ancient writings often contain the author’s literary opinions and criticisms, thus becoming an important object of ancient literary studies. The book Warring States has always been quite controversial. There are also totally different opinions about the prefaces and postscripts written by this book in successive dynasties, and the theory of criticism contained therein is even more abundant. When the Western Han Dynasty became Emperor of the Emperor, Liu Xiangshu, compiled some brief instructions on the words and deeds of the warring statesmen. According to the article entitled “Eight of the Country’s Writers,” the name was “Warring States.” Liu Xiang for "Warring States