In north China, the main three ports, Quingdao, Tianjin and Dalian are located in the neighbourhood, main entrance of huge economic bloc of Beijin, Quingdao, north Manjulia, and connected with Trans Siberian Railway and Trans China Railway. If these ports are integrated as one of the greatest port by port alliance strategy, the tremendous synergy effects will be anticipated. By SWOT analyses, there will be many strengths as like increasing of transshipment cargo bounding for Seoul, Busan, Kobe etc., reducing of physical distribution costs, utilizing of various rail transports, and long-term development regional plans. The integrated port will make such opportunities as taking the increasing amounts of resources due to the growth of Chines economy, and establishing of international land bridge services through Trans Siberian Railway and Trans China Railway. As results of Data Envelopment Analyses of 25 main ports in the world, the efficiency of the integrated port is 0.647 in CCR Model and 0.875 in BCC Model, which are higher than those of the individual port.