The resources of the Chinese Classic Ancient Books Database are entirely derived from actual published printed books, focusing on the ancient texts organized by the Zhonghua Book Company, while also encompassing the contributions from several professional publishers in the field of ancient book compilation. These resources undergo digital processing before their releases. TheJin (經), Shi (史), Zi (子) , and Ji (集) of Sibu (四部分類法), featuring collections likeTwenty-Four Histories, Tongjian, New Compilation of Philosophical Works, Commentaries on the Thirteen Classics by Qing scholars, Historical Material Notes, Basic Series of Classical Literature, Selected Buddhist Scriptures, etc., preserving specialized names and editorial annotations.

Duxiu holds a digital collection of 6.8 million kinds of Chinese books, provides trial reading and document delivery services for 3.49 million Chinese books.