Based on the understanding of social welfare organization, it acquires the necessary knowledge and skill for the effective organization managements. The concept of social welfare administration exists in an intermediate area between social welfare policy and social welfare practice. It aims to promote understanding of operating of social welfare institutions. To this end, its surrounding environment, management history, core principles and mechanisms, and related techniques are examined with organizational theories related to social welfare administration. In our pluralistic society, the role of private social welfare organizations, efficient public welfare service delivery systems, public and private cooperation to boosting its effectiveness, planning and evaluating process are supposed to be harmonized at the same time. we are going to recognize and deepen our understanding in this class by learning the methodology of organizational management and its developmental change in providing social welfare services.