“Literary creation has special significance of cultural discourse”. By Reading ancient Japanese famous Waka theoretical works, we can find that Chinese Yin Yang and Five Elements Theory eastward spread to Japan 1600 years ago, not only gave birth to the ancient Japanese Waka, but also had a profound impact on the production of Japanese Waka from content to form, from the fixed form of “five seven five seven seven” tune to the theoretical keywords of “flower” “heart” “fruits” and other key concepts. Studying the discourse containing of Chinese Yin Yang and Five Elements Theory in ancient Japanese Waka theoretical works has important practical significance, which can also provide a reference for the overseas studies of present Chinese traditional culture.