Abstract: System dynamics (SD) methods are employed to establish the feedback logic of coordinated development between urban rail transit and financial industry on both macro and micro level. Dynamical system of coordinated development and its corresponding SD model are put forward, and test data of Xi′an is applied to the SD model for simulative verifications and predictions. The research results show that, a systematic dynamic logic can be set up in the coordination between urban rail transit and financial industry. SD model is suitable for quantitative modeling of the dynamical system of coordinated development. The future expectation of coordinated development between rail transit and financial industry in Xi′an is optimistic, yet risks are faced at the same time.