《古书真伪及其年代》在文献辨伪学史上是一部里程碑式著作。该书全面系统地总结了伪书的成因、种类及辨伪的方法等,一度被学界奉为辨伪圭臬。然而随着学术研究和考古实践不断发展,发现该书在对古书的认识、辨伪方法、古书评价等方面存在缺陷。因此在辨伪实践中要客观地看待该书的价值。 “The authenticity of ancient books and their age” is a landmark book in the history of documentary science. The book a comprehensive and systematic summary of the causes of pseudo-book, the type and pseudo-pseudo-method, was once regarded by the academic community as a pseudo-standard. However, with the continuous development of academic research and archaeological practice, it is found that the book has defects in the understanding of ancient books, the method of distinguishing false books and the evaluation of ancient books. Therefore, in the pseudo-pseudo-practice, the book’s value should be viewed objectively.