Abstract: EPC(Engineering Procurement Construction) is the mainstream pattern of international engineering construction. It is the development trend of engineering construction in our country. Under the circumstances of One Belt And One Road (OBAOR), EPC is more significant. But there are still many urgent problems in the actual, restricting its development. Through the analysis of these problems, this article put forward that in order to play the advantages of EPC and achieve a win-win situation, the regime, concepts and processes should be adjusted continuously.