在各种工程塌陷问题中,矿山开采引起的地表塌陷是最为严重的一类,矿山塌陷是工程防灾减灾的重要内容。本文围绕“基于GIS的矿山塌陷损害评价系统”的构筑问题,对矿山开采塌陷的三维计算方法和塌陷数据的组织及可视化方式进行了探讨,给出了丘陵和低平山地条件下地表塌陷的三维可视化预计方法,实现了DEM和地表塌陷盆地的可视化表达,并对三维地形图与三维塌陷图的可视化叠置进行了探索。 Among the various engineering collapse problems, the surface subsidence caused by mine exploitation is the most serious one, and mine collapse is an important part of disaster prevention and reduction of engineering. In this paper, based on the construction of “mine collapse assessment system based on GIS”, the paper discusses the three-dimensional calculation method of collapse and the organization and visualization of collapse data. The three-dimensional Visualization method is used to realize the visual expression of DEM and surface subsidence basin. The visual superposition of 3D topographic map and 3D collapse map is also explored.