What's the difference between Tang poetry and ancient poetry?

Different times background, different schools and styles.

1. Different time background: Tang poetry refers to the poetry creation that took place in the Tang Dynasty, while ancient poetry generally refers to ancient poetry works, with a long time span, including the poems of the pre-Qin, Han, Wei, Jin, Southern and Northern Dynasties before the Tang Dynasty.

2. Different genres and styles: Tang poems include metrical poems, quatrains, metrical quatrains and seven-character quatrains. The content of poetry is diversified, including lyrical, scenic, satirical and argumentative, while ancient poetry includes more kinds of poetic forms and styles, such as the Book of Songs, Chu Ci, Han Fu and so on.