Abstract:Based on the integration of space, sky and land, by using UAV, space remote sensing images, artificial intelligence and automated field evidence, the third land survey has been carried out in Jvxian county. It will solve technical shortcomings faced by current survey and monitoring, verify and improve technical contents, effectively support the survey and monitoring of natural resources in China, and provide support for annual land change survey and satellite law enforcement in the future. It also will provide effective technical support for the forest and grass moisture