本文主要从中日韩三国经贸关系、经济的互补性以及比较优势入手进行分析。首先,通过一系列的数据分析总结了中日韩三国的贸易现状。其次,从三国各自存在的优势分析三国经济的互补性。最后,从三国的比较优势分析建立中日韩自由贸易区的可行性。 This article mainly analyzes the economic and trade relations, economic complementarities and comparative advantages of China, Japan and South Korea. First of all, through a series of data analysis concluded the status quo of trade between China, Japan and South Korea. Second, analyze the complementarity of the three economies from the respective advantages of the three countries. Finally, from the comparative advantages of the three countries, it analyzes the feasibility of establishing the free trade area of ​​China, Japan and South Korea.