In recent years，frequent geological disasters such as landslides，debris flows，and rock collapses，which are featured by severe harm and wide spread，threaten people’s lives and property safety，and restrict economic and social development and people’s desire for a better life. After years of technical research，mass prediction and disaster prevention，China has achieved remarkable success in geological disaster risk and hidden danger investigation. In order to improve the accuracy of national geological disaster survey and evaluation，comprehensive use of a series of new technical methods， such as synthetic aperture radar，high-resolution satellite remote sensing，unmanned aerial vehicle remote sensing and airborne lidar measurement，is underway. With the innovation and development of computer technology in the new era，the monitoring and early warning for geological disasters based on big data technology provide a new thinking paradigm and experience guidance for the prevention and control of geological disasters. For promoting an in-depth understanding of the new development direction in this field，key techniques in big data methods for acquisition，storage and analysis of geological disaster information are introduced，and progress on geological disasters analysis and prevention by worldwide scholars using big data techniques are reviewed.