《毛诗序》作者与成书问题一直聚讼纷纭,被四库馆臣称为自古“说经之家第一争诟之端”。(1)相关综述比较多,笔者无意于复述。(2)这里要强调的是文献考证的一个基本方法问题:我们立足的起点应当是一确定可信的文献,而不是一个悬置性假设或某种先行的观念。立足一确定可信的文献,就能够从一安全稳当的起点出发,追溯文献生成过程中不断叠加的历史投射,从而更接近文献演变和成书的真相。而所谓悬置性假设,则是将《诗序》作者悬置于先秦某一时代,或某一人物,然后根据其时代特征、引诗论诗与《诗序》的契合性,以论证《诗序》成 The author and the issue of the Book of Mao Poetry have been confronted with various questions and have been called by the library officials since ancient times. (1) The related review is more, I do not intend to repeat. (2) What we stress here is a basic methodological problem of textual research. Our starting point should be to establish a credible document, not a suspending hypothesis or some prior concept. Based on a credible credible literature, we can start from a safe and stable starting point and trace the historical projections that are constantly superimposed in the process of document creation, so as to be closer to the evolution of the literature and the truth of the book. The so-called suspension assumption, is the author of “Preface to the Preface,” a certain age, or a character, and then according to the characteristics of the times, poetry poetry and poetry order “ Poem order ”into