This paper analyzes main problems involved in the design of rocket engine test-bed with high-speed rotation, including the layout design, the choice of drive method, the design of axes and assembly, the choice and installation of sensors. 结合现有试验台的改造和重新设计,从方案设计、动力源选择、轴系部件设计、传感器选用与安装等角度,分析了在高速旋转试验台设计中应考虑的主要问题。