This study tries to find out major policy issues on the quality management systems of social services using e-voucher, and propose urgent policy actions to improve quality of social services. In order to achieve this study purpose, the study reviews overall quality management systems of social services using evoucher and investigates major problems of current quality management systems. The process of quality management is divided into two major stages: the first stage managing entry level quality and the second stage monitoring given services. This study reviews the feature of entry level quality management focusing on the screening process for admission. The second stage is reviewed by current practices of quality monitoring and providing information. Based on the study findings, this study suggests several policy attempts to set up the quality management system of social services. First of all, this study emphasizes the role of the organization comprehensively managing quality of social services. Also, systemizing the process of setting up and implementing the national minimum standards for social services is very important. In addition, the ways to protect the basic rights of service users should be designed with priority.