In the 14th year of Tianbao (755), the Anshi Rebellion broke out, and Liu Zongyuan and Han Yu were already in the middle Tang Dynasty, not in the heyday. The four outstanding figures in the early Tang Dynasty are naturally the early Tang Dynasty.
The main poets in the prosperous Tang Dynasty were Li Bai, Du Fu, Wang Wei, Meng Haoran, Cen Can and Gao Shi.
The Tang Dynasty is mainly divided into four periods: early Tang, prosperous Tang, middle Tang and late Tang.