省直管县行政区划宜立足于相对完整的地理单元,宜保持与经济区划的一致性,宜利于县域核心的塑造,宜利于保持县域发展的高度开放性行政区划是事关国家政治、经济、社会发展全局的重大战略问题。行政区划设置是否科学合理,直接关系到国家和地方行政管理的效能,对于行政区域的经济发展、资源的合理配置有着至关重要的作用,也事关国家的政治稳定。随着技术创新、经济发展和社会进步,在改革开放背景下,我国现有行政区划的 The administrative division of provincial straight-line counties should be based on a relatively complete geographical unit, should maintain consistency with the economic division, should be conducive to shaping the core of the county, should be conducive to maintaining the county’s development of a highly open administrative divisions are related to national politics, economy, Social development of the overall situation of the major strategic issues. Whether the administrative division is scientific and reasonable or not is directly related to the effectiveness of state and local administration and plays a vital role in the economic development and rational allocation of resources in the administrative region and also in the political stability of the country. With technological innovation, economic development and social progress, under the background of reform and opening up, the existing administrative divisions of our country