The Collection of Ancient and Modern Books was compiled by Chen Menglei in Qing Dynasty and later revised by Jiang Tingxi. It is a huge book and the most important encyclopedia to find ancient documents, covering more than 5000 volumes of classics and history of China/KLOC-0. * * * 500,000 pages,10.44 billion words, and the content is vast. After digital processing, this reference book provides a more convenient and diversified retrieval method, which allows people today to swim in the Wang Yang sea of ancient documents and explore the knowledge crystallization of their ancestors. The full-text electronic version of Ancient and Modern Books Integration contains a full-text retrieval system and some pictures corresponding to the Forbidden City, with friendly interface and fast retrieval. It solves the problem of difficult collection caused by price and space for ordinary individuals. It also gives new vitality to this set of the largest existing books in China through electronic retrieval. In addition, this electronic version of the integration of ancient and modern books also provides an online retrieval version.