Western Zhou Dynasty: Jinwen
Warring States period: it is divided into two systems: "Six-country script" and "Qin-country script" (big seal script).
Qin: Biography
Qin and Han dynasties: early seal script, later official script matured, and became a common book for official documents.
Eastern Han dynasty: official script
Jin: Regular script in the Western Jin Dynasty, cursive script in the Eastern Jin Dynasty.
Southern and Northern Dynasties: The Southern Dynasty inherited the tradition of the Eastern Jin Dynasty, and cursive script was the main font when writing, while the Northern Dynasty used Li Kai font as the main font, constantly changing its quality.
Tang dynasty: regular script