沿东陇海线地区是“丝绸之路经济带”和“海上丝绸之路”双重交汇点。港口在运输,经贸合作等方面发挥着不可忽视的作用。本文以沿东陇海线地区的港口发展为例,从企业交易、产业市场及区域宏观角度说明港口对于区域经济的作用机制,强调港口在经济发展中地位。 Along the East Longhai line area is the “Silk Road Economic Belt” and “Maritime Silk Road” dual intersection. Ports play an important role in transportation, economic and trade cooperation and other aspects. Taking the port development along the East Longhai Line as an example, this paper illustrates the mechanism of the port’s role in the regional economy from the perspective of business transactions, industrial markets and regions, emphasizing the port’s position in economic development.