1. CONTENTS (1) RESEARCH OBJECTIVES Project Finance requires massive amounts of funding and involve high risks. This study investigates the problems of the structure of project finance, it's features of non-recourse or limited recourse and the involving parties. The study will present the efficient solutions of the problems. (2) RESEARCH METHOD The substance of this study is bounded to present and suggest facing problems and efficient ways to remove obstacles by analysing the security of project finance in Korea. Every issue was studied and analyzed through referring to the relevant documents about the structure of the project finance. (3) RESEARCH FINDINGS There are many problems of security system in project finance. So I scrutinized the aspect of the current security system. We have partially similar system like gathered movables transferred security and plant mortagage. But they have their own problems so we need to limit the accompaniment of security. Therefore I sought to the possibility of similar effect like security trustee or security agent, and I found the Act Secularized Bonds' Trust security trust system using the trustee administrator, and issuing the exchangeable bonds. 2. RESULTS Project Financing means a contract of loans between borrower and debtor for financing as well as includes other commercial transactions accompanying the project. Project Finance requires massive amounts of funding and involve high risks. In order to develop the theories of the project finance, it needs to study large projects. Large projects are more attractive than small projects because they allow us to observe managers as they make very conscious investment and financing decisions.