Abstract: The whole world and researchers engaged in geological hazard prevention and control were shocked by the mudflow hazard occurring in Southern Leyte,central Philippin,e on February 17,2006,which caused more than 1000 deaths and missing.In order to introduce the status quo and progress in the study of such sudden geological hazards in various countries of the world,the paper attempts to introduce briefly the recent progress in prediction,monitoring,early-warning and risk assessment of sudden geological hazards from the recent progress and new information presented by the 32nd International Geological Conference and the international Conference on Landslide Risk Assessment and Management,combined with the State Medium-and Long-term Program on Science and Technology Development of China and the early-stage strategic research report on geological hazards in China in the Medium-and Long-term Program on Science and Technology Development of the Ministry of Land and Resources of China.