① Politics: national unity and strong national strength-material basis.
② Cultural policy: an enlightened and open cultural policy.
(3) the implementation of the imperial examination system and the promotion of "taking officials by poetry".
(4) Cultural exchanges between ethnic groups and between China and foreign countries.
⑤ The rulers of the Tang Dynasty adopted an enlightened and compatible cultural policy.
⑥ Inherited and developed the rich artistic experience and knowledge of the previous generation of poetry.