The theme of this thesis is ''The impact of information and communication technology on library management''. The thesis defines therms of library, librarianship, management and information and communication technology. There are introduced the basic determinants of the library's management and the influence of information and communication technology on the above. The thesis explains the impact of technology on the new function and new services of the library and on the appearance of work automation. There is also word about new methods of communicating with library users and new competencies that librarians must possess. There is also the appearance of material's digitization and online book borrowing. Online catalogs and databases are created, which allows users to view library materials anytime and anywhere. Library services are starting to be promoted through websites and social networks, which greatly contributes to its visibility. The library space is also organized according to the library material and the setting of new devices. Due to all the above, it is concluded that librarians must have a high level of information and computer literacy and continuously improve and participate in lifelong learning. Only in this way they will be ready for the challenges of the present and future and the transfer of their own knowledge to library users.