Genetic engineering, artificial intelligence and nano science was known as three cutting-edge technology in the 21st century and in recent years, many countries have regarded artificial intelligence technology development as a national strategic planning. The rapid development of artificial intelligence technology will bring great influence on the library.  In the big data environment, library development is faced with many difficulties such as user loss, resource integration and intelligent search. The development of artificial intelligence technology will bring important opportunities to the embarrassed libraries in the fields of literature resources construction, building space construction and user management services. Change trends brought about by artificial intelligence development  to the library will mainly embody in three aspects such as  environment, resources and services, namely the future library will be of intelligent library space, intelligent resource system and intelligent customer service.