主要介绍了GPS用于滑坡变形监测的方法，并通过三峡库区卡子湾滑坡体的变形监测介绍了GPS滑坡监测的整个过程,包括监测网的技术设计、外业观测、数据处理、变形分析等内容，并指出需要特别注意的几个问题。监测结果表明, 采用GPS静态定位技术达到毫米级的精度，完全可以满足高精度滑坡监测的要求。

The paper mainly researches the method of GPS technology used in landslide monitoring, gives the all process according to the monitoring of Kaziwan landslide in the Three Gorges Reservoir area, including technology design of monitoring network, field survey, data processing and deformation analysis, and points out several problems to need to be specially noted. The results indicate that GPS static positioning technology can reach the precision of milli-meter, and fully meet the requirements of high-precision deformation monitoring.