Du Fu's poems are called "the history of poetry". Simply put, it is because Du Fu's realistic poems reflect the social life before and after the An Shi Rebellion in Tang Dynasty, which is a true record of social life in this period and has high historical value. In the history of literature, Du Fu's poems are called the history of poetry. After all, his poems quickly, truly and profoundly reflected the political, economic and cultural aspects of the society at that time from different angles, especially in the form of "news express", which comprehensively showed the historical features of the decades before and after the Anshi Rebellion in the Tang Dynasty.
Of course, Du Fu is the greatest realistic poet in the history of China literature, and he is called "Poet Saint". In the Tang Dynasty, two poets reached the peak of poetry creation. One is Li Bai, a "poetic fairy" who reached the peak of romanticism. One is Du Fu, a poet who reached the peak of realism.