Legal analysis: Each reader can borrow 3 books for 30 days. Readers can't return books on the same day. If they can't finish reading it during the loan period, they can go to the library or renew it by phone 1 time for 30 days. Each book can only be renewed once, and overdue books cannot be renewed.

Legal basis: People's Republic of China (PRC) Library Law and Public Library Law Article 40 The state establishes a unified standard and interconnected digital service network of public libraries, supports the development of digital reading products and the research on digital resource preservation technology, and promotes public libraries to provide convenient services to the public by using digital and network technologies.

Public libraries established by the government should strengthen the construction of digital resources, equip them with corresponding facilities and equipment, establish online and offline literature information sharing platforms, and provide quality services to the public.