Linguistically speaking, Du Fu's poems are generally regarded as "gloomy". The word "depressed" first appeared in the Southern Dynasties, which means "depressed and thoughtful, sad and picturesque". Later, Du Fu wrote the word "depressed and frustrated", which accurately summarized the language of his works. "As for depression and frustration, they are agile at all times, while Yang Xiong and Gomez are ordinary. A further study of Du Fu's poems shows that the formation of his poetic style is closely related to his adherence to Confucianism. At the same time, Du Fu was at the end of his heyday. When he was young, he was ambitious. "Once you reach the top, you will see that other mountains are dwarfed under the sky. "Later, the Anshi Rebellion broke out, the national movement declined and the official career was unlucky. The great gap between ideal and reality has also caused great changes in Du Fu's poetic style, approaching realism. The individualization of image selection in Du Fu's poems is the basis of his language.
The images that often appear in Du Fu's poems, such as ancient bunkers, autumn clouds, apes whistling, remnants of torches, steep gorge, becoming a defender, 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 about Gan Kun. Comment on Du Fu's later poems "The Yang opens and the Yin closes". In Wu Ling's Poems Around the Stream, he said: "Only the meaning is far-reaching and I don't know the next sentence". Wu Ling added: "When a mortal writes a poem, he only says one thing in one sentence, but he says two more. Du Fu's poems can say three, four or five things in one sentence; Ordinary people write poetry, which is far less than dozens of miles in front of them. Du Fu's poem can be said to be a hundred miles, two armies and States, and the world is wonderful. "