China-Japan-S.Korea FTA has developed from theory to preparations for negotiations for a long period of time. In this period ,it has experienced a few twists and turns. Political mutual trust, economic difference, contending for dominance, the factor of the United States, and world economic situation will also have far-reaching effects on prospects of China-Japan-S.Korea FTA, and pose challenges to China-Japan-S.Korea FTA. Many uncertain factors determine that the path for China-Japan-S.Korea FTA is not flat, but the trend of economic integration and trade liberalization make us see a glimmer of light. China-Japan-S.Korea FTA will continue in the ridge route. <<