The Moertian ground collapse locates in Shuangshan village, Shawan, Sichuan. The first collapse crater form in 2004. To be 2012, there are 20 collapse craters in 3Km2. The diameter of the maximal collapse crater more than 30m and depth is 65m. The ground collapse threatens life and property safety of 30 villagers badly. Prevention measures were brought forward that keep to principle of prevention and cure combination aiming at the characters of the ground collapse base on the formation mechanism and stability and deformation trend. These measures that take the monitor as the primary measure and the engineering prevention and reasonable mine exploitation and relocation as the accessorial measure effectively reduce threaten to the villagers.