The invention discloses an automatic book management system based on closed stacks, which combines the original library management systems, realizes automatic borrowing and returning functions of books, lowers the labor intensity of the workers in the library and effectively improves the quality of the library in serving readers. The automatic library system adopts RFID technology, mechanical automation, network and computer technologies. The book management system of the invention comprises shelves, a library integrated management system, books with RFID chips, a self-service borrowing and returning terminal, a management system of closed stacks, a self-service borrowing system, a self-service returning system and an automatic transfer system which realizes that books automatically go in and out of the closed stacks; wherein, the management system of closed stacks operates the information of the database of the closed shelf system to realize information interaction between the library integrated management system and the automatic transfer system, thus finally realizing the automatic management functions of books.