Who was the poet who advocated and practiced the reform of Tang poetry?

The poet who advocated and practiced the reform of Tang poetry was Chen Ziang.

He was a poet who made great contributions in the theory and practice of poetry innovation during the founding period of Tang poetry. Du Fu praised him: "The talented person succeeds the elegant and elegant, and the philosopher and craftsman are not comparable. After Gongsheng Yangma, he became famous. Hanging with the sun and the moon... "Loyalty has been established through the ages," and there is a posthumous chapter in "Gan Yu". Han Yu praised him: "The country's prosperity has made people proud." They all highly affirmed his contribution to the development of Tang poetry. , also reflects the public opinion of the poets of the Tang Dynasty. As for his "Poetry of Feelings" directly inspired the creation of Zhang Jiuling's "Poetry of Feelings" and Li Bai's "Ancient Style", Li Bai inherited his theory of retrospection as innovation and further completed the history of innovation in Tang poetry. The task is a well-known fact.