我国是世界上地质灾害最严重、受威胁人口最多的国家之一,地质条件复杂,构造活动频繁,崩塌、滑坡、泥石流、地面塌陷、地面沉降、地裂缝等灾害隐患多、分布广,且隐蔽性、突发性和破坏性强,防范难度大。特别是近年来受极端天气、地震、工程建设等因素影响,地质灾害多发频发,给人民群众生命财产造成严重损失。党的十六大召开以来,国土资源 China is one of the countries with the most serious geological hazards and the most threatened population in the world. Due to its complicated geological conditions and frequent tectonic activities, China has many hidden hazards such as landslides, landslides, ground subsidence, land subsidence and ground fissures, Sexual, sudden and destructive, prevention is difficult. Especially in recent years, due to extreme weather, earthquakes, construction projects and other factors, frequent occurrences of geological disasters have caused serious losses to people’s lives and property. Since the convening of the 16th CPC National Congress, land resources