Abstract: With the development of the web3D technology,the 3D web pages applications will surely give libraries more powerful tools to provide more useful services.The article simply introduces some instances and systems of Web3D in the digital library.Meanwhile,the authors have set up a demo of book navigation based on web3D technology.The system can provide the process analogue of obtaining the books,and will provide a new visual experience for the readers.The research is an important case of the application of inf...