Lianyungang,Rizhao,and Qingdao these three coastal cities located in the eastern end of the Euro-Asian continental bridge,they are basically in the same line,and the direction is from the northeast to southwest. G15 and G22 two expressway joined up the three cities. They are all port cities and are close to the sea,and in the west of Eurasia Bridge is xian,Zhengzhou and east is Japan and South Korea. They played an important role and indelible contribution for the rapid development of China's economy. Also,they have an interim role in the Euro-Asian continental bridge. In this paper,we will mainly analysis three city's economic development especially in the logistics industry and tourism in order to provide Suggestions to achieve regional integration. <<