What influence did Du Fu's poems have on the development of poetry?

There are many aspects to explain this problem, such as: on the influence of Du Fu's illness on the formation of "depressed and frustrated" poetic style;

Du Fu's Influence on Poetry in Qing Dynasty: The Inheritance and Development of Du Fu's Poems on Things from Wei, Jin, Southern and Northern Dynasties. Generally speaking:

Du Fu's poems reached the peak of artistic realism in classical poetry, and formed the poet's unique gloomy artistic style.

Du Fu's Position and Influence in the History of Literature

(1) Du Fu plays an important role in the history of China's realistic poetry. He inherited the realistic tradition of The Book of Songs, Yuefu in Han and Wei Dynasties and Chen Ziang's poems in the early Tang Dynasty, broadened and deepened the scope of poetry theme and the depth and breadth of reflecting reality, enriched the artistic form and style of poetry, and pushed realistic poetry to a new peak.

(2) The influence of Du Fu's poems on later generations is enormous and far-reaching.

1. The realistic spirit of Du Fu's poems has influenced generations of poets, such as Yuan and Bai Xin Yuefu in the late Tang Dynasty, Nie, Du Xunhe and Pi Rixiu, Lu You and Wen Tianxiang in the Song Dynasty, and Huang Zunxian in the late Qing Dynasty.

2. Du Fu's thought of caring for the country and the people and his patriotic spirit have aroused widespread popularity among patriotic poets (such as Wen) and the broad masses of the people in later generations.

3. Du Fu's poems provide rich artistic reference for later poets in artistic skills and expressive techniques.