What does it mean to take the prosperous Tang Dynasty as the law?

Yan Yu's "taking the prosperous Tang Dynasty as the method" mainly means that the format and rhythm of poetry should conform to the prosperous Tang Dynasty. It is because the poems in the prosperous Tang Dynasty conform to its "poetic purport", and the "boldness" and "boldness" of the poems in the prosperous Tang Dynasty also entrusted his own aesthetic ideal. From Si Kongtu to Yan Yu, poetry in the prosperous Tang Dynasty was regarded as a model, which formed the national aesthetic identity of worshipping the prosperous Tang Dynasty. In addition, there was a poet in the Tang Dynasty, Li Bai, Du Fu, Li Shangyin and Du Mu, who was not famous.