Abstract:According to west ore block ore body occurrence of dahongshan copper mine geological conditions and the existing mining technology, puts forward the panel machinery tumble - joint slice stoping and backfilling mining method, the article preliminarily determined 18 kinds of stoping scheme, choose the FLAC3D numerical analysis software to carry on the numerical simulation. Comparing the results of the various schemes, the best method of recovery was selected, and the mining mining was very helpful. The results show that the stope structure parameters, with concrete cementation filling the pillar width is 6 m, width of backfilling materials with mineral filling chamber is 8 m, the height of each layer is 4 m; The strength of compressive strength of reinforced concrete columns is 2.5 MPa. The mining sequence can be picked up and down at the same time, the stability of the quarry is best when the interval is 100mb.