Abstract: Introduction With the rapid development of information technology, the replacement of traditional archives by digital archives has become a trend of development. Method Through the design and discussion of digital archives system, realize the centralized management of various types of archives, introduces content processing, mass storage, intelligent classification and search, multi portal technology, the establishment of digital archives management platform user centered. Result We should give full play to the role of digital archives as knowledge resources, improve enterprise's archives management level and work efficiency, and enhance the core competitiveness of enterprises, so as to adapt to the future development requirements of power grid enterprises. Conclusion The supporting capacity of digital archives system business, construction coordination ability, control ability and knowledge sharing ability, enhance the level of archival information integration, implementation of grid enterprise data and application integration, service standardization, knowledge-based resources prospect development target.