Empirical Study on Economic Transformation and Industry Development in Tianjin City

China´s economic restructuring on the industry plays a vital role. This article is intended to study the degree of the impact on China´s economic restructuring in various industries and their inter-relationship. In this paper, multiple linear regression method is used; multiple regression equations are established with the four main indicators of economic restructuring and the three industries output value by filtrating variables, then their causalities is analyzed. Through nearly a decade of economic data of Tianjin, economic restructuring and industrial development are empirical analyzed, and found that the opening extend to the outside world has a great role in promoting the output value of all the industries, in addition, the output value of the third industries are influenced by the degree of government intervention in the economy.