The paper makes a research on the development of the Jing-jin-ji econo mic area with a analysis of the Bohai Sea surrounding area, and indicates that t he key of the economic development of the area is the economic integration of Ji ng-jin-ji area.

• 本文通过对环渤海经济圈的分析,重点研究了京津冀经济区的发展,指出环渤海地区经济发展的关键是要发展京津冀区域经济一体化。