| YanGuoGong Zhangyue and XuGuoGong SuTing had experienced four different periods of Tang Dynasty, who were two important ministers in the beginning of kaiyuanperiod, and crossed over the two major historical stages------ChuTang and ShengTang.They were just right in the alternative period of the two major literature stages. They are not only important officials combined civilly with militarily but also great writers excellent in writing poems and proses, and they are called "YanXuDashoubi" in the literature world, but has not aroused from people' s too much attention. This paper started from the study of the relationship between SuTing and Zhang Yue, then investigated the unique characteristic of their poems detailedly, and studied the new style and features and the innovation function of the prose of Tang Dynasty which their poems and prose reflect. And then regard these as the breakthrough point, and seek for their transition identity and potential function in Tang literature, from which explored their potential and tremendous influence in the history of literature. By all these, we can know dynamic development orbit of the literary world at the period of the ChuTang and ShengTang more clearly and more deeply. |