Abstract: According to the mutual interference between the rock drilling and rock loading of ZZ2-8/100 mode drilling and loading machine, with the analysis and ca Iculation on the movement tracing of the left and right drilling booms and the loading booms, the double boom rock drilling range and the loading area range of the rake boom were drawn. The interference area of the left and right drilling booms while the operations conducted simultaneously and the interference area of the drilling and I oading machine in rock drilling operation were found.Taking the cross section blasting borehole pattern range of +1 220 m south wing transportation roadway in Dabaod ing Mine as an example, according to the min displacement principle and the circulated displacement method of the drilling boom, the optimized rock drilling borehole s equence was planned. Thus the double booms interference problem, plain interference problem and rake loading interference problem were solved, which could provide the references to the industrial applications of the later drilling and loading machine.