Abstract: Due to the historical continuous construction of marketing informatization, the service interface specifications for the interaction between provincial (municipal) marketing systems and financial channels are not unified, and the business processing logic of financial channels is inconsistent, leading to different data sources, increasing the redundancy of data usage, and causing difficulties in the iteration of system operation and management. To give full play to a new generation of energy Internet marketing service system (hereinafter referred to as"marketing 2.0") middle ability, improve power and other national financial institutions with the bank's business services two-way interaction ability, help the provinces (city) electric power company and the bank interface integration reform to promote the implementation of the follow-up, through combing the third party access to the status quo, combined with the provincial research analysis results, communicate with banking institutions, understand the needs of both sides, study and put forward suggestions or evolution routes for the transformation direction of financial channel headquarters level interfaces, consider reducing the number of both sides'interface transformation from the headquarters level, and help improve the efficiency of interface transformation and system optimization and upgrading.