1, Du Fu's poems often show deep sympathy for social reality with vigorous and powerful techniques and profound thoughts. It can be said that Li Bai tends to be romantic and Du Fu tends to be realistic.
2. Du Fu's poems have a deeper influence on poets who care about social reality and pay attention to the change of poetic methods and language use. Du Fu's poetic style was formed in the period of An Shi Rebellion, and gradually took shape in suffering. Du Fu went deep into the society, cared about the sufferings of politics and people's livelihood, and attached importance to realism.
3. The images in Du Fu's poems, such as ancient blockhouses, autumn clouds, the whistling of apes, the remnants of torches, acute gorge, becoming a guardian, solitary boat, falling flowers, sunset and other natural landscapes, as well as ordinary people such as weaver girl, old woman, old farmer and wife, as well as powerful forces such as officials, generals and hooligans, all show Du Fu's urgent mood of "saving the world and helping the people" and his confusion.