现藏于上海图书馆的南宋小字本《刘子》是目前惟一可见的宋板《刘子》,该书经多位名家收藏,研究价值极高。本文考察它的流传过程,比对文字和注释,发现该书问题很多,有后人补配痕迹,并非全宋本。另附录部分考察了清代宫廷所藏宋本的流传情况。 The “Liu Zi”, a small Song of the South Song dynasty now hidden in the Shanghai Library, is the only one that can be seen in the Song board “Liu Zi”. The book has been collected by many famous authors and has extremely high research value. This article examines its spread of the process, compared to the text and notes, found that the book a lot of problems, traces of make-up with the posterity, not the whole song book. The other part of the appendix examines the Qing court records of the spread of the Song dynasty.