Since the reform and opening up of China, the economy has grown rapidly and there has been a problem of income inequality. The problem of the income gap has become a serious social issue. This led to a series of studies of income inequality and financial development. Indicators measuring financial development can be divided into financial deepening and financial access. Therefore, this study set up the Var model using the data from 1980 to 2016 of China National Statistical Office and the World Bank Databank. This paper analyzes the effects of financial deepening and financial access to income inequality through impulse response function. Based on the results, this paper proposes some solutions to the problem of inequality in China.