Indo Pacific’s not only place which’ve the largest population in the world, but also developed economy, vibrant, concentrated wealth, in which exist many hot spots of the world. Due to the location, role increasingly important regional countries, especially the major powers such as the US, Russia, China, Japan, India have the strategic adjustments, to increase the influence and defend its interests in this area. US deployed strategic Indo-Pacific initially have certain impact on the marine economic field in the East Sea. In this article, the author focuses on analyzing and explaining the impact of the Indo-Pacific Strategy on the regional economy, especially the areas of marine economy in the East Sea in the present context.