The purpose of this study is evaluation the impact of economic dimension of corporate social responsibility on the sustainability of earnings in the listed company of Tehran Stock Exchange. . In this study, the information was collected from 71 company listed in the Tehran Stock Exchange during the years 2011 to 2014. The systematic elimination method was used for sampling. Economic dimension of corporate social responsibility measured by Dow Jones Sustainability Index based on two indicators: interest paid to creditors and dividends paid to shareholders. Sustainability of earning measured by a regression model of Dechow and Dichev (2002). To test the hypotheses, information collected from 71 firms by systematic removal method of statistical population 142 companies of Tehran Stock Exchange. The overall results showed that there is significant positive relationship between economic dimension of corporate social responsibility and sustainability of earnings. Meaning increase in profit and profitability facilitates the economic dimension of corporate social responsibility.