Objective: Energy pricing in the international energy market is the key point for RMB internationalization, which can make the process further developed. Aim: Therefore it is of practical significance to study their co-integration relationship and causality, and though the impulse response to analyze their dynamic interaction relationship. Method: We take the Johansen co-integration and VAR model to explore the interaction between them. Results: Empirical results show that, firstly there is a long-term equilibrium between RMB internationalizati...