The difference between three areas, three lines and one map in national land spatial planning. Inquire according to relevant information.

1. A map is based on a base map, covering the achievements of the "five levels and three categories" planning system of national land spatial planning, forming a "one map" that can be superimposed and opened layer by layer, providing basis and support for unifying the control of land spatial use, implementing the planning permission of construction projects, and strengthening the supervision of planning implementation.

2. "Three Districts and Three Lines" is an important support for constructing and optimizing the pattern of land space development and protection. The three control lines are an insurmountable safety red line for adjusting economic structure, planning industrial development and promoting urbanization, an important content for planning, implementing regulatory evaluation and auditing assessment, and an important starting point for implementing the strategy of ecological civilization construction. At present, the achievements of "three areas and three lines" in many provinces and cities across the country have been put into use. From the national to the natural resources and planning management departments of local governments at all levels, the supervision and implementation of "three areas and three lines" will be a key work in the next stage.