Abstract: Based on the angle of corporate finance and the background of social responsibility information disclosure in our country 1 this paper first discusses the four influence paths of social responsibility information disclosure on corporate finance. Then 1 use the information of Listed companies from 2014 to 20151proved that corporate social responsibility information disclosure can reduce the cost of equity capital and the cost of debt capital 1 the higher the quality of its social responsibility information disclosure 1 the lower the cost of these two capital. What's more 1 as the same quality level of social responsibility information disclosure 1 the impact on the cost of equity capital is greater than the cost of debt capital.

Key words: CSR, cost of equity capital, cost of debt capital