The focus of Shi Li's poems is not the farewell itself, but the open and bright autumn scenery around him, which contains the poet's open-minded character when he leaves; The theme of Du Fu's poems is missing friends, and the style is gloomy and grim, showing Du Fu's deep and heavy character.
Shi Li's language is chic and open-minded, reflecting the elegant and heroic style; The language of Du Fu's poems is extensive and profound, reflecting the style of depression and frustration.