China ancient books joint catalogue and evidence-based platform is an ancient books query system with joint catalogue and evidence-based platform. According to relevant data, the joint catalogue of China ancient books and evidence-based platform is an experimental project of Shanghai Library's digital humanities platform, including1.20,000 rare books,1.30,000 ordinary ancient books, 1.8 official catalogues, local chronicles catalogues, private catalogues and edition catalogues with historical influence, supplemented by names and editions. Seal and other additional normative data, combined with faceted statistics, entity relationship analysis, spatio-temporal analysis and visualization tools, the project uses relevant data technology to realize joint query and normative control of the existing ancient book collections of various libraries, and provides the function of evidence-based version to investigate the origin, and will join the collections of more institutions in the future.