首先回顾了国土资源信息化的发展进程，综合评述了相关阶段的特征，然后，在分析国土资源信息化应用特点的基础上，阐述了知识管理与国土资源信息化的关系，指出知识管理是国土资源信息化新的发展阶段和发展方向，最后，初步规划了国土资源知识工程建设的主要任务。

This paper firstly reviews the development of IT applications in land resource management, describes the relevant progresses in detail, then it summarizes the relationship between knowledge management and the IT applications, which is based on the analysis of the application characteristics. It points out that the new development of stage and direction is the use of knowledge management in the IT applications for land resource management. At the end of this paper, it preliminarily plans major tasks for the construction of land resource knowledge engineering.