The essence of performance in music aesthetics is different between the Western and Eastern culture. The Asian music of 20th century is in the environment which is led by the West and internationalization. How to combine traditional philosophy and modern creativity is the composers' ideal. This study starts from the contemporary orchestral music, searches the outstanding composition which is put the Eastern traditional culture into action, and discusses the Eastern culture how to effect the modern composition. In the mainstream led by Europe nowadays, the study seeks the possibility which could develops their own music traditions and supplies the references of the cultural innovation and heritage to the composers.Besides, the well-known Korean composer, Isang Yun. His orchestral masterpiece ”Réak”(1966) reflects the ”Daoism” on the Korean court music. ”Daoism” is the fundamental notion in the Eastern philosophy. It represents in every aesthetical field, especially calligraphy which is emphasized on the yin yang doctrine and form coordination. These factors profoundly effect on the strength and aesthesis of calligraphy. Isang Yun uses the spirit of ”Daoism” and the yin yang doctrine on the orchestra by the concept of ”houptton”. ”Harmony of the World” is the famous chapter of Confucian philosophy. The modern composer in Taiwan, Pan Hwang-Long, had completed the concerto for orchestra ”Harmony of the World” in 1986-1990. This concerto is applied three unattached movements to represent the ideal harmony world in Confucianism. Although Pan Hwang-Long’s music is well-known for avant-garde, he often shows the mind of the Eastern philosophy. He uses the creative skills which he had learned during the period of studying in Europe. By above mentioned, he attempts to express not only the ritual, humble and peaceful essence in Confucianism, but also the harmony scene in modern society. Furthurmore, he represents the extraordinary magnanimity of ”Great Music is Simple” in the Asian music by linking acoustics skills and the Eastrn artistic conception together.