山洪、滑坡、泥石流灾害危害严重、突发性强、成灾速度快,易给人民生命财产及基础建设造成严重损失。因此,需要加强监测预警,采取积极的防御措施,贯彻以防为主的方针,建立灾害快速反应系统以有效减轻灾害损失。 Floods, landslides, landslides and debris hazards serious harm, sudden strong, disaster-prone, easy to people’s lives and property and infrastructure caused serious losses. Therefore, monitoring and early warning needs to be stepped up. Active defensive measures need to be taken and the principle of prevention oriented should be followed to establish a rapid disaster response system to effectively reduce disaster losses.