Although the unit size is different, the specific responsible content is also different, but it mainly includes the following six aspects:

(1) Formulate the guidelines, tasks, scope of work and clients of the library;

(2) Collecting, processing, sorting out and preserving the literature resources, and providing the literature resources needed by readers to the maximum extent;

(3) Do a good job in propaganda and guidance, expand the social influence of the library, improve the service quality, let readers make better use of the collection and improve the utilization rate of the collection documents;

(4) Compile various retrieval tools, such as bibliography, index, abstract, etc. Better provide readers with ways and methods to find them;

(5) To carry out business management and business guidance, and guide and promote library work;

(6) Inter-library cooperation and coordination is an effective way to realize resource sharing.

Librarians are generally held by information science, information management, library science, archival science and other related professionals, and their job requirements include:

1. Proficient in literature description rules, cataloging and bibliographic data;

2. Meticulous and practical work, strong sense of responsibility, diligence and dedication, and love of document management.