There are seal script, official script and cursive script, such as Li Bisheng's hobby of writing, Sun Zhuan's cursive script, Yan Zhenqing's pioneering Yan-style regular script and the invention of wild grass, which have brought infinite glory to calligraphy in the Tang Dynasty. In a word, calligraphy in the Tang Dynasty is a masterpiece of inscriptions and calligraphy. Judging from the whole evolution history of calligraphy, it has its own unique calligraphy style, which is highly praised by later generations.
However, seal script came into being in Qin Dynasty and official script came into being in Han Dynasty.