In this paper, we use case studies to analyze the supporting programs of policy funds for Korean and Japanese small and medium-sized enterprises(SMEs). It is found that supporting firms are suitable to the excluded companies from financial institutions and excellent corporate credit rating. It is also shown that subordinated loan program as well as loan limit can be enlarged policy funds with priming water of private funds. Moreover, it shows that credit guarantee funding has a positively significant influence on long-term funding facility. Therefore, this findings can improve the complementary relationship between policy funds and financial institutions.