The main objective of the current research is to study and test the effect of disclosure of CSR activities on the characteristics of Egyptian Listed companies, on a sample (50) Egyptian Listed companies over the period (2013, 2014, 2015) respectively, and I employ on the multiple regression method to examine hypotheses Research, and the independent variable was measured by an index that contains four groups of social responsibility and those groups include 45 items, and using three measures of corporate characteristics (financial performance, market performance, "company value", cost of capital), (4) control variables (firm size, financial leverage, growth rate, audit office size). The results of the research indicated: The social contributions at the total level have a positive impact on the financial performance, the firm value, the cost of equity, the cost of debt, and a negative impact on the cost of capital, and on the level of disclosure items (society, environment, employees, product / Customers), there is a negative impact of the disclosure of social on the financial performance, the cost of debt, a positive effect on the cost of equity, the cost of capital, there is a negative impact of the disclosure of employees on the firm value, the cost of capital, the cost of equity, cost of debt, a negative impact of product disclosure on the cost of equity only. Finally, there is a negative impact of the level of disclosure of environmental on the firm value, and there is no impact on the financial performance. Key words: Accounting disclosure for social responsibility, corporate characteristics, financial performance, firm value, cost of capital, cost of equity capital, cost of debt capital.