South Korea has spend billions planing for entertainment contents development, exporting contents, developing strategies for overseas marketing. But one piece of the plan may be missing: The ability of corporations to continue to provide vital services. Over the years, a number of studies have examined korean waves and have reached the same conclusion: starting a activity without reasonable strategies tends to have effects on merchandising, income, image, etc. For the purpose of analysis, this study has adopted SWOT matrix, Japan's market, for instance, is mixed by variation factors-opportunities, threats, strengths, weakness. Fortunately, Because Japan's market, the most world's cultural contents, has an environmental condition of advanced level, If Our en-contents have a high level, through localization and strategic alliance, the marketing strategies for japan' market will do a good chance of success.