Plant Simulation,the professional simulation software is applied to establish the production line simulation model according to the machining process characteristics of compressor blade profile and material operation process,and the simulation analysis and optimization are carried out from the aspects of production capacity,equipment utilization and production line bottleneck.The results show that Plant Simulation platform simulation can find out the problems in the planning and design scheme and verify the rationality of the scheme.The simulation results provide a reliable basis for the optimal design of the profile machining line and achieve the aims of saving investment costs and shortening design cycle.