Archaeological data prove that the ink on bamboo slips from the Warring States to the Qin Dynasty has become commonplace, with fewer strokes and longer and flatter glyphs. In addition to the above-mentioned "honest officials", many characters began to suffer from the pain of the soles of their feet, and they were called "Qin officials" (named after "Qin officials" to distinguish them from mature Han Li, there is no need to subdivide them). A large number of ink calligraphy such as Mawangdui silk calligraphy in Changsha (such as Lao Zi Jia Ben and Lao Zi Yi Ben), Zhangshushan Han Bamboo Slips and Juyan Han Bamboo Slips have obvious official meanings, which not only shows how the ancient official script with seal meaning evolved into a standard Han Li, but also allows us to truly appreciate the elegance of the official script. From the end of the Warring States to the Qin Dynasty, Li Shu. However, in the Han Dynasty, especially in the Eastern Han Dynasty, it was the heyday of official script from Emperor Huan (147- 167) to Emperor Ling (168- 189).
The appearance of official script, like later regular script and cursive script, is a major change in the history of calligraphy in China. From the perspective of literary history, the appearance of official script ended the pictographic features of ancient Chinese characters and entered the territory of writing symbolization. From the perspective of calligraphy history, official script is a key point in the evolution of calligraphy. Official script broke through seal script with a pen.