This report synthesizes the relevant theories of information economics，regional economics and spatial economics，analyzes the impact mechanism of digital financial inclusion development on regional convergence，and then measures the spatial spillover effect of digital financial inclusion in the three major urban agglomerations of the Yangtze River Basin from 2011 to 2018，and establishes a spatial Durbin panel data model，empirically analyzes its impact path and spatial role characteristics of promoting regional convergence，and finally puts forward policy suggestions for optimizing the development pattern of digital financial inclusion and improving the quality of development in cities in the Yangtze River Basin in combination with the empirical results.