Geological disasters，such as landslide and debris flow have caused great loss of countries and people’s life and property. Internet of Things technology can implement real-time monitoring and prediction of geological disasters. This paper systematically introduces the basic situation of geological disasters both domestic and oversees，international strategies and trend of elimination and prevention disasters，the geological disaster monitoring and prediction technology that our country currently uses，the principles and advantages of the Internet of Things technologies application in geological disasters monitoring and prediction，the group measurement and control of geological disasters，and the structure，objective，basic functions and characteristics of the two geological disasters monitoring and prediction systems.