Аннотация:The city of Tianjin and the realization of the national development strategy put forward new requirements for air transport. This paper is based on Tianjin air transport and the interaction of regional economic development present situation, analyzed problems of development, analyzed interactive development mechanism of the Tianjin aviation transport and economic, then, extracted the Tianjin aviation transportation and regional economy of main component, and established a principal component regression equation, for air transportation and Regional economy in Tianjin fitness trend prediction, gives countermeasures to promote the development of air transport and Tianjin economic interactions.