As the important carrier of the economic knowledge, the digital library is the important component of the national information infrastructure, it have already become the important sign of appraising the basic level of a national information and one of the focuses that various countries' cultural science and technology compete for in this century at present. To our country, it is relatively late of initiating of the digital library's research and development, so it has necessity and urgency to build the digital library.

Its important meaning lies in:

First of all, the digital library will change the traditional way of the information's storing, processing, managing and using, realize the information's effective share and use through network between environment and high-performance computer, etc. information resources effective with share. Its construction will make our country seize the first chance in the competition of the overall national strength, and grasp the initiative of development, realize the great-leap-forward development.

Secondly, the core of construction of digital library is various kinds of information resources relying mainly on Chinese information, it will turn back the state with deficient Chinese information on Internet rapidly, and form the whole advantage of Chinese culture on Internet. We'll show our country long history, magnificent culture, especially the achievement of contemporary construction to the whole world through Internet by the construction of digital library, than let the world understand China, let China go to the world.

Third, the construction of the digital library will promote the development of information technology of our country, meanwhile, drive the rapid development of several new and high technology as its relevant, such as computer technology, network technology, communication technology and multimedia technology, etc. The new and high technology is turned into realistic productivity rapidly, will play a great role to the setting-up of the system of knowledge innovation of our country.

Fourth, the digital library builds is the source and motive force of " revitalizes the nation through science and education ", and the large classroom realizes citizen's life-long education too. The digital library has offered the most convenient, effective development environment for the strategy of "revitalize the nation through science and education " with its processed and organized in order information.Meanwhile, the digital library can top space-time to limit to the maximum extent, build out the good environment carries on the whole people's life-long education, will play a enormous promotion arrives role to the national quality-oriented education of our country.