Abstract: After briefly summarizing the progress,status and problems of China's mining CAD technics,the neccesary and mining CAD development method,environment and tools is mainly discussed in this paper. Based on the analysing China's typical mining CAD softwares,the prototype development method and the selection of responsiable envivonment and tools are suggested according to the charactor of mining. The secondary development method procceeded in the Auto CAD enironment is an economicaland satisfied way which is worth advocating.