Based on the finite volume method (FVM), OC-TVD scheme and Runge-Kutta method, parallel numerical simulation of the flow field around the hypersonic/supersonic vehicle was performed on a super computer. The parallel computation efficiency was tested with the CPU nodes varied form 2 to 64. The program was tested for its parallel efficiency on the super computer and was applied to the calculation of the flow field around space shuttle. In this way, the large-scale parallel calculating capacity of the program was examined. The results indicate that, given that the load is balanced, the parallel computation on the super computer reaches super-linear speedup. The maximum efficiency ratio reaches 126%, which is far larger than the value on PC cluster parallel platform.