CSR(Corporate Social Responsibility) is the subject which has been discussed for a long time, but real preparations of the corporations begin recently. International organizations and global corporation councils have announced their own guidelines about CSR The corporations have to establish responsible departments in their organizations and begin to publish reports which deals with the social responsibility. GRI(Global Reporting Initiative) have launched international guideline for corporate reporting and ISO has progressed making international standard for CSR. This paper is a study about understanding the international regulations tendency of CSR and the trend of Corporate Reporting for their sustainable development of the organizations.