Mougard Memorial Library System consists of 23 libraries, with 2.5 million books, 45,264 periodicals and 4.6 million microforms. In addition, it also has a large number of special issues, electronic information resources and other non-text materials. The library of Boston University integrates teaching, research and students' life well, and has some special materials, such as: related information in the subject field, course content, showing the advantages and disadvantages of existing collection materials, reviewing examination content appraisal, suggestions from students and teachers, etc. The library system continuously expands the quantity and scope of collected materials to meet the needs of courses and research. The African research library, which constitutes the African research library, is rich in information. It is a source of information for African scholars and individuals or non-academic organizations to study Africa. Astronomical Library The Astronomical Library is adjacent to the Astronomical College. The library supports undergraduate and graduate students to learn astronomy, collects and uses astronomy books and advanced genome books, including space physics books, updates about 50 journals related to astronomy, and has exquisite astronomical maps. At the same time, support the research of engineering students. Bibi communication library Bibi communication library management, libraries and libraries provide management information teaching and business management resources. The library collection includes publications and electronic materials products, covering business management, medical care management, non-profit organization management, business ethics, enterprise spirit and information system management. Music Library Music Library is an institution integrating research and development to support the performance of Chinese and Western art music, music education, practice and ethnomusicology. The library has 20,000 books, 65,438+000 music periodicals, more than 65,438+000 videos, 5,000 different music websites and more than 20 research guides. Mougard Memorial Library also collects books on theory and research education. Science and engineering library; The collection resources of science and engineering libraries are the main channels for research, teaching and scientific research of Charles River. Medical Library Medical Library; Alumni Medical Library provides medical, stomatological and health-related materials for all employees and students of Boston Medical Center.