is the establishment, maintaining and providing access to a collection as much complete as national editions and foreign valuable publications. The collections are completed by legal deposit, through purchase, donations, and through interlibrary exchange. Annual Library fund grow by 13 to 14 thousand documents. BNRM is keeper of a precious fund of documents, totalling 2.5 million in 30 languages. The thematic and linguistic horizon of the collections is universal. The BNRM Collections include a variety of information: traditional (monographs, serials) and nontraditional (disks, magnetic tapes, microfilm, maps, electronic documents, etc.). The collection of old and rare books The Collection contains over 21 thousand documents: great works through authors, masterfully graphics, bibliophile value which consists from manuscripts books, old Romanian book printed in the country and abroad, foreign books published up to 1725, editions, books with a polygraphic presentation and artistic significance, ex-libris books, typographical curiosities, personal collections, old periodicals etc. The collection includes books that formed part of initial fund at 1832 [9], when the library was inaugurated. Among them, an important role for books is held by General Liprandi, and two volumes of Aristotle commented by Donati Acciaioli and Simplicius, the oldest books in library collections, the oldest books in library collections, works of incunabula era that connects us with and include us in concert of the most valuable European libraries. The Library holds the second edition of Cazaniei lui Varlaam (first book written and printed in Moldova, the Three Hierarchs in 1643), edited Râmnic (Muntenia) in 1792; Apostle, published in Bucharest in 1683, Moldova's description Cantemir, the German version (1771), Russian (1789), Romanian (1825); Trebnicul “Petru Movilă”, published in 1646 and illustrated by Elijah engraver. The collection of books with autographs of writers, scholars, other personalities is an object of interest for many bibliophiles. The most precious autographs belong to personalities: Alecsandri Vasile, Dumitru Moruzi, Leon Boga, Paul Michael G. O. Zlatov, N. Moghileanski John G. Sbiera etc. The new image that created BNRM in the country and abroad contribute to the choice of different personalities or their relatives of the library as a place of conservation and making available to future generations some important private libraries. For this purpose, in the special collections are composed of these personalities funds. The most common include: Bârsan family library, family Balmuş, by Anton Crihan, Alexandru Sturdza, Nicolai Moghileanski. Audiovideoteca Audiovideoteca possesses a unique collection, the richest in Moldova, sound recordings