Abstract:With the basic establishment of the national "Three Lines One Permit" ecological environment partition management and control system, how to promote the application of achievements at the grass-roots level is an important link affecting the high-quality development of society and economy. This article introduces the core content of the achievements of the "Three Lines One Permit" of Guangxi, for the first time systematically?explores?the application practice of the results in supporting the implementation of major strategic implementation of the region, guiding the planning and layout of the industrial park and the optimization of the construction of environmental protection infrastructure, supporting the environmental impact assessment of the overall planning of mineral resources in Guangxi and promoting the management and control of over-standard environmental control units; analyzes the problems existing in the application of the results from four aspects: legislation and system construction, dynamic update and adjustment, follow-up evaluation and assessment, and grass-roots applications; and puts forward relevant suggestions. This research has successfully created a "model" for the achievements landing application of "Three Lines One Permit" of Guangxi, helping to improve modernization of ecological environment governance systems and governance capability, and providing a reference for all regions to promote the comprehensive achievements landing application of ecological environment partition management.