| Since the beginning of Wang shixian who Unified China and built great exploits for Yuan dynasty, the Wang clan at Longyou wiped on a hard pen for the history of the whole western of China. The historical records in Chinese have showed that the regime changed and the ethnic relations was complexity in the whole regions of Helong, and Turk, HuiGu, Originating. DangXiang, ShaTuo and etc ethnic tribes had been on this historical stage in succession on the occasion of Tang to Song dynasty, and it was very clutter in their struggle, communication and evolution. And it's eye-catching that the Wang clan at Longyou was unique in this chaos. It is a clan that went through the Song, Yuan, Ming and Qing generations, heyday in the Yuan dynasty and has a major impact on Political, Military, Social and various aspects in the Yuan dynasty. However, it subsided and dissipated rapidly after the Yuan dynasty, the clan self has scattered in the country until now, and it's difficult to research and organize its material and spiritual heritage. The rise and fall during the history is valuated to lament. Especially, it is significant typically to evaluate the history deeply and study the law of the development of groups, society and the state odayThis article places the study of Wang clan into the scene of the rise and fall of national and the progress of the society through the vision of great history; out of use the traditional paths by biography, tombs and other historical research. The article shows that it is impossible to make clan prosperity and continued only by occasional opportunities and material force (including military) through the study of history of the Wang clan. And establishing the clan by culture must develop a more influential, more competitive and more reproductive cultural heritability. this is not a sufficient condition for the long-term prosperity of the clan, but it must be the necessary conditions for the continuation of the clan.The article is demonstrated to three parts:firstly, reviews the debate of origin of Wang clan at Longyou in the field of academic currently, on this basis, proposes a new point of view, that is the Wang clan is the descendant of "dbas" clan that is one of the ancient Tibetan clans through Chinese and Tibetan historical analysis. The fog of origin problem not only shows the complexity of ethnic relations at Longyou region, but also the shortcoming of culture of the Wang clan at LongyoSecondly, describes the rise and fall about the Wang clan at Longyou. With Wang Shixian who was the first generation in Wang clan at Gongchang was raised in the wars in the west of China between Jin and Xia dynasty through exploits, the Wang started its hereditary rule nearly one hundred years at Gongchang. At the end of Yuan dynasty, the Wang clan declined, but Wang's descendants have been moving in a Official until the end of Ming Dynasty, so Wang clan had been a rare aristocratic clan at Longyou. Just because Wang clan's prosperity that its power was even full of imperial court was based on its exploits, it is doomed that the rise of Wang clan that seize its power by force will not last long in the authoritarian society characteristics of changing regime frequently.Finallv, analvses the culture and content of Wang clan in history, and the current status of development on Family Culture about Wang clan at Longyou. Although Wang clan at Longyou had the prominent position in the Yuan dynasty, it was lack of cultural accumulation relatively in history, which not only doomed the decline of Wang clan at Longyou, while provides a new way to study the culture of Wang clan at Longyou and the heritage and reconstruction of clan concept through the considerations to the cultural continuity. |