In history, Chinese traditional culture widely spread in East Asia, among which the Korea Peninsula and Japan have been influenced most deeply. With the modernization process of China, Japan and ROK, the inheritance and protection of traditional culture in Japan and ROK has not been affected by modernization construction, and both of them maintain heavy historic cultural tradition. As the origin of these three countries’ traditional cultures, how to develop our national cultural traditional in the process of modernization is the key point of this article.