The library of the University of Science and Technology of China has three buildings, namely, the West Zone, the East Zone and the South Zone, with a total area of 35,000 square meters and more than 3,000 reading and self-study seats. There are 7 lending offices in the three libraries, 6 of which serve 7 days a week, and 19 reading rooms of various types are open 5 -7 days a week, providing borrowing, reading, copying and other services for teachers and students at school, with an average annual reception of about 330,000 readers. In addition, all three libraries have "unified return boxes" to facilitate readers to return books. The literature guarantee rate of the library of the University of Science and Technology of China is over 95%. In addition, the library also actively contacts with the Chinese Academy of Sciences system, CALIS key universities and the National Library, participates in interlibrary loan service, and establishes * * * sharing channels to obtain much-needed literature materials for readers.