Abstract: In the past two years, news of the discord between OTAs and traditional tourism enterprises increased. Whether it is OTAs to snatch resources or traditional tourism enterprises to upgrade, making the competition between the two sides have become more obvious. In fact, as an important online marketing channel, OTAs are one of the important partners in the traditional tourism enterprises. As a result, the relevant research gradually increased. Foreign literatures included three aspects from the cooperation, competition and balance of coopetition between OTAs and hotels, airlines and other traditional tourism enterprises, mainly focused on the problems of the coopetition between OTAs and hotels, attached importance to empirical analysis and the construction of model, and proposed the ideas of balance of coopetition from the aspects of market segmentation, pricing and room allocation for airlines and hotels. It is suggested that the follow-up analysis of the changes in the cooperation model between OTAs and traditional tourism enterprises should be strengthened in the future, focusing on the game relationship study between OTAs and scenic spots, restaurants and other tourism suppliers.