Du Fu’s poetry style is strongly vigorous and fragrant. The descendants admired him as "the saint poet of the age”. Cho Chao Bie had written some notes for Du’s poems and praised his achievement of "followed the Lisao and exceeded Shen Song". It showed that Du Fu plays an important role in the heir to ancient sages and teaching posterity of the Tang poetry. From the viewpoint of the literature history, Du Fu initiated “to stir up Fong and Lisao together.” By the literary view of Fong and Sao, he surmounted Chen Tzuang and the people who would like to restore ancient ways. It was one kind of remarkable experience. Except the theory, he loved Qu Yuan and Song Yui’s poems very much, and specifically fulfilled his argument in the creation and the significance of Du Fu’s poems by using Lisao as the material in his poems. His poetry combined Qu Yuan and Song Yui’s Lisao style without being considered as plagiarism. This article tries to infer the meanings and connotation of Du Fu’s poems from many sections of his literature theory that verifies and searches the mood of Qu Yuan’s Lisao.