Self-service lending and returning system is an important part of smart library, and its terminal equipment is self-service lending and returning machine. The self-service book lending and returning system can automatically complete the lending and returning of books by scanning and identifying the materials and books with electronic tags or barcodes and feeding back the information to the system for processing. The self-service book borrowing and returning machine is simple in operation interface, convenient for users to use and safe and reliable in hardware equipment.

Self-help borrowing books: After entering the library to find the books to borrow, readers can choose to borrow books in the operation interface, swipe their ID cards according to the voice and text prompts, put the books in the sensing area, confirm the book information and complete the operation.

Self-service book return: select book return in the operation interface, brush the second-generation ID card for borrowing books according to the voice and text prompts, put the books in the sensing area, confirm the book information and complete the operation.

Borrowing query: this query includes two kinds of query contents: borrower information and book borrowing information. Users can self-query their own borrowed book information or borrowed book information.

Renewal operation: readers can check the information of borrowed books by swiping their ID cards, and can go through the renewal procedures according to library regulations.

Overdue operation: self-service processing overdue fines and recording overdue times.

Book identification: Intelligently identify multiple books with RFID tags.