Recently in Korea, the need has increased for the systematization of the qualifications of subject specialist librarians who have both knowledge and work experience on specific subject. The purpose of this study is to analyze the domestic situation of subject special library services as well as the education backgrounds or work experience of current subject librarians in Korea. At the end, the study attempts to suggest an appropriate framework for the qualification system establishment and operation in Korea based on the supply and demand analysis of domestic subject specialist librarians.