Regular script is also called regular script, real script and official script. Li Shu, founded by Cheng Miao, has gradually evolved and become more simplified and level. Ci Hai is interpreted as "square and straight, which can be used as a model." Hence the name regular script. It began at the end of the Han dynasty and has been popular until modern times.
The appearance of regular script follows closely Han Li's composition and pursues the further development of formal beauty. During the Three Kingdoms period at the end of Han Dynasty, the writing of Chinese characters gradually changed from wave to wave, and became "left" (dot), "sweep" (long left), "peck" (short left) and "lift" (straight hook). Such as Wuwei medical bamboo slips and Juyan Han bamboo slips. Regular script is characterized by neat rules and is a model in fonts, so it is called regular script and has been used until modern times.