Abstract: Geological disaster susceptibility mapping act an important role in geological disaster prevention and cure.Based on the regional geological disaster investigations,large-scale geological disaster susceptibility mapping is widely carried out since 2004 in Zhejiang province,thus provide a series full,accurate and reliable maps for land using planning,fatalness assessment of geological disaster,and sitting of important construction projects,towns and villages.This thesis introduce the method of large-scale geological disaster susceptibility mapping,sum up the progress,experiences and technique requirements in the work of 1∶10000 scale disaster susceptibility mapping which take countries and towns as basic units in Zhejiang province.