Differences: The style of his works refers to Chen and his satirical works on current affairs. Influenced by the ethos of the times, Du Mu also paid attention to the choice of words and sentences. This tendency of rhetoric is combined with his personal characteristics of "heroic and heroic", which is elegant, magnificent and exquisite. A lyric poem about the scenery is so beautiful and vivid. His poetry was a great success in the late Tang Dynasty, and Du Mu was called "Xiao Du". There are "Collected Works of Fan Chuan". Lao criticized and exposed the corruption of Du Imperial Court and the dark phenomenon in social life. He sympathized with the people and even fantasized that he was willing to make self-sacrifice to save their suffering. Therefore, his poetry creation always runs through the main line of worrying about the country and the people, with the most ordinary people as the protagonist, which shows Du Fu's greatness. His poems are rich in social content, rich in the color of the times and distinctive in political inclination, which truly and profoundly reflect the political current affairs and broad social life prospect of a historical era before and after the An Shi Rebellion, and are called the "history of poetry" of a generation.