介绍了机车安全运行计算机辅助驾驶系统车载微机装置的总体结构及功能特点 ,着重介绍了其主要功能模块的基本工作原理。该装置采用新型高速单片机并行结构工作模式 ,通过图形、文字及语音方式提示并指导司机安全驾驶 ,从而达到机车优化操纵的目的。试验表明 ,该装置系统工作稳定 ,装车简便并易于操作。 This paper introduces the overall structure and functions of the microcomputer-based computer-aided driving system for safe operation of locomotives, and emphatically introduces the basic working principle of its main functional modules. The device uses a new high-speed single-chip parallel operating mode, through the graphical, text and voice prompts and guide the driver safe driving, so as to achieve the purpose of optimizing the locomotive. Tests show that the device system is stable, easy loading and easy to operate.