This paper introduces the background, technical infrastructure, data content and data sharing mechanism of the Land Information Ontario (LIO) and puts forward its implications to Land and Resources Informatization in China.

• 本文介绍了安大略土地信息计划(LIO)的背景、技术构架、数据内容和数据共享机制,并提出了LIO对我国国土资源信息化建设的若干启示。