With the process of “the Belt and Road” Initiative, great changes have taken place in the port environment in China: Improvement in the level of openness, Increase in number and Intensification of competition. How to avoid the vicious competition and establish a winwin relationship among ports has become a critical factor in the implementation of “the Belt and Road” initiative. The results show that the disorderly competition leads to the waste of port resources and constructing coopetition relationship is an effective way for port healthy development.