iScan mine three-dimensional laser scanning system is a set of industrial intelligent system developed for mine survey business. The system is driven by industrial flat panel APP, controls laser scanning, obtains point cloud data, and models efficiently and accurately to realize mining empty area boundary acquisition, mine roadway deformation monitoring, and open pit step instability monitoring operations. The main business functions include: mining field empty area scanning, three-dimensional view display, section output, station coordinate calculation, mine roadway splicing, open pit mine surface modeling, etc.