With agreement from the US, EU, and other countries, China joined in WTO(World Trade Organization) on December 1, 2001. So it is expected that Korea will not expand bilateral trade but also face severe competition with China for world and Chinese market. After Chinese accession to WTO, the aspect of Korean companies may be considered to be reduced the aspect of opportunity and risk by half, Accordingly, Korean domestic companies have to search countermeasures optimized to get global competition by considering the aspect of opportunity and risk Therefore, the purpose of this study Is to review the potential possibility of China as a world market and to provide countermeasures for major Korean domestic industries.