Finance is the general hub of modern market economy operation and plays a non-substitutable important position in economic progress. The fact of financial integration in promoting the economy has been confirmed in some places, but for the Chengdu-Chongqing Economic Circle, there is still little research for this "new topic", this field of research is still waiting for people to explore. This paper firstly combs the relevant theories of financial integration. On this basis, the sixteen cities that constitute the Chengdu-Chongqing Economic Circle ...