Qin Dynasty (biography of Li Sixiao), Three Kingdoms Wei Dynasty (Zhong You-Xiao Kai), Eastern Jin Dynasty (Wang Xizhi-Xing Shu, Xiao Kai, Cao Shu, Zhang Zhi-Cao Shu), Sui Dynasty (bravely opening Shu), Tang Dynasty (Ou Yangxun-Ou Ti, Yu Shinan-Yu Ti, Chu Suiliang-Chu).
Before the Tang Dynasty, all kinds of calligraphy styles were very representative. After the Tang Dynasty, they could not be separated from the original prototype, so there was no so-called style.