Ancientbooks have high value in historical documents and edition. The use and protect of ancientbooks in practice is a contradiction.
古籍文献具有很高的文献价值和版本价值，使用与保护就构成了古籍文献借阅工作中的一对矛盾。
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This article discusses the achievements in the science of editions of ancientbooks in the Qing Dynasty from the study of different editions, reviews on good edition and emblematic results.