Abstract: There are many differences in the completion time,the choice of the versionand and the content of the text between Wenyuange edition and Wenjinge edition of Siku Quanshu.These differences could not just be attributed to the scribe's mistakes,it also reflects the different collation features of the two versions.Wenyuange edition has a larger change than the original version,while Wenjinge edition is more faithful to the original version.The different characteristics of two editions not only related to the overall collation quality of the book at stage of transcription,but also closely related to the different identities of censors at re-examination stage.

Key words: SiKu QuanShu;Wenyuangeedition;Wenjingeedition;Medical Book