With the advancement of economic globalization and regional integration in the twenty-first century, sustainable development has become the consensus of the international community, a new understanding generally accepted, that is, the rivalry between countries is first and foremost manifested in the competition of overall national strength with central cities at the core. And in many countries, the development of urban space has become the area where various theories and practices of urban and regional planning are experimented. Spatial planning, especially at the national level, has gradually become an important means and measure for governments to promote economic development and social progress, coordinate uneven regional development, and achieve sustainable development; it is therefore a key component of public policies.