1. CONTENTS (1) RESEARCH OBJECTIVES The Korean government plans to supply 100,000 of permanent rental housing, 400,000 of public rental housing and 1,500,000 of bokumjari housing(small and medium size and rental housing) by 2018 in order to dispel housing problems among homeless low-income brackets. It is in discussing on how public rental housing is defined with the opinion that public rental housing supply and its policy should be carried based on the law, and it is raised that the matter of this public rental housing supply and private rental housing activation in supply-side and the matter of equity of public rental housing supply in the regional level. And further, it is needed at this time that study on the government intervention to the market and government support policy on the raising problems such as excluded class in move-in due to supplier aid-centered support policy, frequent occurrence of antisocial behaviors due to dwelling of low-income groups and creating a sense of incongruity among classes due to occurrence of keeping them apart from neighboring community in the public rental housing supply regard. (2) RESEARCH METHOD This study will examine the origin and development of public housing in Germany which played a role in order to stabilize the residing of low-income groups, the background of establishment and abolishment of the "law of public housing", government policy toward the public housing company which was a major supplier of public housing and the subject assisting policy which support the rent for its residents. (3) RESEARCH FINDINGS The result of this study is deducting implications on public rental housing policy in Korea by considering the policy in Germany which experienced those problems before. 2. RESULTS This study deduces implications focusing on activation of private rental housing and public rental housing supply, establishment of relation laws, theoretical definition, a standard of value which is the main issue of public rental housing.