Taking Lala copper mine as an example, the authors constructed a complete 3D digital mine information system integrated all kinds of function about 3D geological model, virtual scene roaming, data search, linkage of 2D and 3D data, and so on. The system provided an effective and comprehensive platform for the mine management and production and scientific research service, etc. It was of important significance to mine information inquiry, browsing and science populization. Also, it was a one-stop comprehensive service platform for multi-purpose, multi-level and multi-stage with combination of production, schooling and research.