本文指出了常见汽轮机组工况监视与故障诊断方法的利弊，给出了分布式在线工况监视与故障诊断的实现方式，进而提出了远程分布式故障诊断模式及其实现方法，并进一步给出了虚拟现实在机组监视与诊断中的应用方法。 This paper points out the advantages and disadvantages of common monitoring and fault diagnosis methods for condition of steam turbines, and presents the ways to realize the monitoring and fault diagnosis of distributed on-line conditions. Then, the remote distributed fault diagnosis mode and its implementation are proposed and further given The Application of Virtual Reality in Unit Monitoring and Diagnosis.