The National Library of China has a rich collection of books, complete categories, ancient and modern, Chinese and foreign, and a collection of essence. As a national collection institution, the National Library of China receives sample books from various publishing houses in Chinese mainland according to law, and also collects unofficial publications from Chinese mainland, such as doctoral dissertations from universities. It is the centralized collection place of library science professional materials and the national yearbook data collection center. Judging from the number of books and librarians, the National Library of China (formerly Beijing Library) is the largest library in Asia, one of the largest national libraries in the world and a world-famous national library. The collection of the National Library of China can be traced back to the collection of Jixi Hall in the Southern Song Dynasty more than 700 years ago, and the earliest collection can be traced back to the Oracle bones of Yin Ruins more than 3,000 years ago. Treasures in the National Library include precious ancient books, Oracle Bone Inscriptions rubbings, ancient maps of China, Dunhuang suicide notes, maps of ethnic minorities, celebrity manuscripts, revolutionary historical documents, genealogy, local chronicles, ordinary ancient books and more than 2.6 million volumes (pieces). By the end of 20 12, the collection capacity of the National Library of China had reached 31190,000 volumes, including more than 2 million rare books of priceless value, such as the famous Yongle Grand Ceremony and Sikuquanshu. Among them, the most concerned are the four university collections: Dunhuang Suicide Notes, Zhao Cheng Jin Cang, Yongle Dadian and Wen Jin Ge Si Ku Quan Shu. Category Literature Books (Books) Number of Chinese ordinary books 5,465,438+03,505 (Books) Ordinary ancient books (including new thread-binding) 65,438+0,648,206 (Books) Taiwan and Hong Kong books and 200,068 (Books) published overseas totaled 7,265,438. 779 (volume) foreign languages and western languages (English, French, German, etc.) 1, 895,277 (volume) Russian (including other Slavic languages) 622, 147 (volume) Japanese and oriental languages (Japanese and other oriental languages) 1, 042. 209 volumes (volumes) total10,820,988 periodicals (volumes) Chinese periodicals (5 14623 kinds) 6,70184 1 (volumes) foreign periodicals (47,207 kinds) 6. 146 (volume) newspapers Chinese newspapers (7624 kinds) 1 19097 (bound volume) foreign newspapers (1708 kinds) 93206 (bound volume) newspapers total 2 12303. Pieces) New Rare Books 14, 9 18 (Volume, Parts) Foreign Rare Books 35, 638 (Volume, Parts) China Map 96, 86 1 (Volume, Parts, Parts) Foreign Maps 49, 306 (Volume, Parts, Parts) Other special collections of 299 (pieces) library science materials 4 1, 575 (books) Dunhuang Turpan materials 2 1, 255 (books, pieces) genealogy, local records materials 53949 (books, pieces) other domestic materials 1 000. United Nations information 560897 (volume, piece), 295654 1 (volume, sheet, film), microfilm, microfilm 100750 (volume), microfilm 1 308207 (volume). Audio-visual documentary video tape 19708 (disk, box) laser video disk 40224 (piece) stereo video disk 967 (piece) MP3 2,860 (piece) video tape 14608 (disk, box) LD video disk 1808. Disc) VHD DVD 260 (disc, box) DVD 38037 (disc) Total audio-visual literature 204373 (disc) Total electronic literature 42895 (disc) Total collection (as of 20 10)28979203 volumes.