Sino-Japanese exchanges between the two countries date back to ancient times, Japan in the ancient art of Chinese律令, systems and etiquette, literary text, but also absorbed the ancient Chinese astronomy and calendars. And the traditional festivals of ancient China, and most of astronomy, calendars and closely related to solar terms. In this paper as an opportunity, described the Chinese and Japanese traditional festivals and the origins of similarities and differences, Japan proposed to retain the current implication of the traditional festivals in Chinese culture is complex, including Chinese characters on the Chinese calendar, and the cultural absorption, integration The inevitable result and try to further analysis of Japan's traditional festival with the Chinese traditional festival, "meaning the shape of different" reasons. 5,000 years of extensive and profound traditional culture to the people claiming to be "Chinese people" and "Longdechuanren" confident when full. However, traditional culture is not naturally formed and will always exist. As China's protection of a late start, lack of relevant experience, traditional culture is facing a crisis of the disappeared and fault. Japan's neighbors and a narrow strip of water very early in the Protection of Cultural Property in the study. Through the traditional cultural preservation status contrast, analysis of the reasons for the variance, we will reflect on how to carry out the work of preserving traditional culture. Hopes to attract more people concerned about traditional culture, and actively participate in this significant and far-reaching impact in the work.