Article 3 of Law No.43 2007 states that the Library functions as a vehicle for education, research, preservation, information and recreation to enhance the intelligence and empowerment of the nation. The function of education is realized by the library which is able to increase the user's fondness for reading. The research function is applied by providing services for users in obtaining information as reference material for research purposes. The function of preservation is as a place preserving library materials (library materials are a source of science, technology, and culture). The information function is implemented by providing complete and quality library resources. The recreation function is implemented by providing entertainment and recreational books. In addition to these functions, there is also a social function, which is interpreted as a forum for socialization among visitors in obtaining information.
In addition to functions, there is also one of the main tasks of the library as the preservation of knowledge; meaning: collecting, maintaining, and developing all the knowledge / ideas of humans from time to time