Development of scanning tunnel microscopy (STM) is reviewed in brief.Application of STM in researching local corrosion, pitting corrosion and passive films on metals is introduced emphatically.

• 简述了扫描隧道显微镜技术的发展概况，着重介绍了扫描隧道显微镜在局部腐蚀、点蚀、钝化膜形成等方面的应用。