2. Official script, also called Han Li, is a solemn font commonly used in Chinese characters. Its writing effect is slightly flat, horizontal drawing is long, straight drawing is short, and it is rectangular, paying attention to "silkworm head and goose tail" and "twists and turns". Lishu originated in the Qin Dynasty and was compiled by Cheng Miao. It reached its peak in the Eastern Han Dynasty, which had a great influence on later calligraphy. Calligraphy is called "Tang Kai of Han Li".