Abstract: The exploitation status of rare earth mineral and geological disaster are investigated in the North-south of Dingnan of Jiangxi province by using the remote sensing image data(Quickbird data).Combining with the image characteristics of different exploitation mode of rare earth mineral and field research, interpretation signatures are established.And according to the statistics drawed from the research area exploitation status and the geological disaster are analysed and evaluated.The result provides a practical method for the local government to adopt some efficient measures in time.The technical course also can be referenced in the future mineral exploitation and environment monitor.