The first is the breakthrough of sentence patterns. Qu Yuan created a long sentence pattern with six words as the main, five words mixed with seven words, which was generally neat and flexible. This is a major breakthrough in four fonts. The second is the innovation of rules and regulations. Qu Yuan's "Sao Style" is not limited to the composition of ancient poetry, but indulges in his thoughts, or states, or mourning, or calling, which has its origin, development, circular care and extremely clear context. The third is institutional expansion. Most of Qu Yuan's previous poems were only short chapters with dozens of lines. His Li Sao, with 372 sentences and 2,469 words, laid a long system of China's ancient poems.
Du Fu's poetry is a history of poetry in troubled times, which faithfully records the turmoil of the country and the suffering of the people. Broad and profound, depressed and frustrated; The first sound of the new Yuefu movement. In terms of poetic language, meter and skills, he is good at learning from many teachers, extensively absorbing the experience of predecessors and contemporary authors, forming his own unique style, and opening up many roads for the development of later poetry.