Du Fu is a great realistic poet in the history of China literature, and his poetic style is calm and simple. His poems profoundly reflect the social outlook of the Tang Dynasty from prosperity to decline, with rich social content, distinctive color of the times and strong political tendency.

The style of Du Fu's poems can be summarized as "depression and frustration", where depression refers to the profundity of the article and frustration refers to the ups and downs of feelings, tones and syllables.

Du Fu's poems are plain, popular and realistic, but they are very skillful. Therefore, later generations are called poets. Du Fu was a poet because he was poor all his life and did not bow to powerful people. "saints" sympathize with people. Du Fu's poetic style is heavy and simple, and he pays attention to people's livelihood all his life, so he is known as the "poet saint".