The purpose of this study is to qualitatively explore influencing factors on the UCC's evolution toward advanced UCC in technological, institutional and business perspectives. Also, this study is significant of the beginning to traditionally accumulated knowledge in UCC research based on the meta analysis since 2006 in Korea. Digitalization and convergence is expanding over myriad platforms, networks, contents and service areas. The role of UCC is very important as a strategic alternative to securing content and as the core factor for creating business. Therefore, convergence service providers concentrate on the supply of high-quality contents targeting consumer needs. The results of this study suggest comprehensive insight to overall changes in this research area and we expect this study will be able to provide useful implications and political guidelines to UCC service providers who desire to offer superior UCC in the market.