Abstract:  Comprehensive land improvement in the whole area is a fundamental trend in the developmentof land integration in the new era, which requires whole-area planning and top-level design, coordinatedarrangements for convergence with village planning, increased local policy support and elfective imple.mentation of benefit evaluation and model optimization. This paper overviews the current indicators andmethods for the evaluation of the benelits of the implementation of comprehensive land rehabilitation inthe whole area. as well as the characteristics of the evaluation methods, and summarizes the applicationof emerging technologies such as drone tilt photography, live 3D cloud GIS, Internet of Things and 5Gcommunication in the implementation of comprehensive land rehabilitation.

Key words: comprehensive land improvement, beneit evaluation indicators , benelit evaluation methods;emerging technologies