This study aims at presenting practical self regulation system for digital game, especially optimized to Korea through the comparative analysis of system at home and abroad. For this, this study conducted a comparative analysis about various countries adopted self regulation system, such as America, Japan, and European Union. We drew some implications on the Korean practical policy for the digital game. First, self regulation organization should be consisted of market-friendly form. Second, though self regulation organization is a autonomous system of market, the organization should take rights to regulate illegal case. This would be a good way not only to reduce unnecessary institutional regulations but also to take socially image of reliable media. Third, government should provide self regulation organizations financial assist. This policy means that the organizations make a role fairly and objectively.