The National and University Library “St. Kliment Ohridski” collects, processes, protects and preserves the country's cultural heritage for future generations. By constructing and developing the national library information system, digitizing the cultural heritage of its collections, and preparing a national bibliography provides in situ and distance access, especially for ones doing research work, and also for all who aspire to enrich their knowledge and personal development.

The library provides support and information sources and services to higher education, research activity and the lifelong learning process. Independently or in cooperation with other domestic and foreign libraries and information centers, it provides its users quality referral and bibliographic services, access to foreign and data bases in order to meet their needs in education, research activity, culture, and social life.

By continuous education of the library staff, following of the modern library and information streaming and active participation in the developments in the field of librarianship internationally, to promote and develop library and information sciences on national level.