Abstract: Artificial Intelligence(AI) technology is the highland of global innovation of science and technology, which is an important driving force for social change. The introduction of AI technology in the digital library will further promote the transformation and innovation of digital library and bring new opportunities. Information service forms based on AI have included intelligent retrieval and intelligent guidance. Digital library should pay attention to the key link of intelligent information service, and take hand in AI technology to participate in future development trend of digital library service.