Lishu is a Chinese font, including Qin Lishu and Han Li. It is generally believed that it is developed from seal script, with wide and flat font, long horizontal painting and short vertical painting, and pays attention to "swallow tail of silkworm head" and "twists and turns".
According to the unearthed bamboo slips, official script originated in Qin Dynasty, and Cheng Miao was also called official script. Han Li reached its peak in the Eastern Han Dynasty, inherited the tradition of seal script, and opened the Wei, Jin, Southern and Northern Dynasties, which had a great influence on later calligraphy. The calligraphy circle is known as "Tang Kai of Han Li".
Structural characteristics of official script
The horizontal (left-right) potential of Li character is changed to vertical potential to form a square, and the strokes contract the vertical potential to strengthen the horizontal potential.
This is a typical feature of the pen used in official script, especially in official script, the main pen is horizontal and vertical. The so-called "silkworm head" refers to hiding the (reverse) front in the process of using the pen, and at the same time writing the stroke shape formed in the process of starting the pen into a shape similar to that of the silkworm head. "Dovetail", that is, press the pen at the pen-receiving place, and then pick the pen obliquely to the upper right.