The research investigates the dynamic relationship between nancial structure，economic structure transformation and economic growth in a panel of a group of 8 Southeast Asia countries and regions in the period of 1997-2015.Empirical study，with panel cointegration test and group mean panel FMOLS analysis，shows that the transformation of economic structure and financial structure evolution are important factors in promoting economic growth.Grange causality test reveals that the “two wheel driven pattern” support the existence of mutual benefits between economic restructuring and financial restructuring.Particular attention should be paid that after the return of Hong Kong to the motherland since 1997，the proportion service industry of GDP maintained a high level and continued to rise while the financial structure was in the shape inverted U.Hong Kong is experiencing sustainable economic development with the strong support of transformation of the economic structure and the continuous optimization of the financial structure，but is still facing new challenges in regional economic competition.