The rapid development of digital technology has changed the traditional technologies of data storage, and the innovation of digital book publishing pushed us to build and develop digital library. The computer network technology improves readers access to literature more flexibility than ever before, especially, web based technology helps both library to provide its services and readers access to their needing information. Library is not only enhancing its service quality to keep up with the steps of both digital and network technologies, but also exploring various methods to meet with reader’s need. Meanwhile, a few of network search engine companies are not only providing a great deal of information via network by online and/or download materials, but also negotiating with both library and digital book publisher to cooperate in storage methods of network digital resources. Therefore, the companies are playing much important role in providing information for reader. At the same time, it is hot to gain effective and flexible information in the world. For example, many communication companies are focus on 3G network to provide good quality services in both information and
communication in order to gain much profit; Microsoft, IBM, Google, HP, Sohu and Baidu are all make decision to expand their research scale in cloud computing for user providing effective information. The web3.0 technology also will help utility of semantic network and acknowledge discovery in digital library services for reader.