In the early 1980s, in the face of the impact of digital development, "library Extinction Theory" was produced and has been hotly discussed so far. From the development of library at home and abroad, the development trend of Chinese librarianship has been well since the new century. But meanwhile the foreign libraries which were firstly established the legal system, represented by England’s library, were caught into the crisis. The appearance of "artificial intelligence destroys mankind" has further aggravated the sense of hardship of librarians. From the perspective of development, the library needs to promote the development of librarians ' literacy ability, the application of artificial intelligence technology and the extension of library service, so as to embrace the advent of artificial intelligence era.