Calligraphy is a unique traditional culture and art in China. This is a rule of writing Chinese characters. It is an artistic expression of the unique beauty of words in China and neighboring countries and regions. Calligraphy art such as Japan and South Korea is also very popular. There are five main calligraphy styles in China, namely, regular script (including regular script and printed script), running script (including running script and cursive script), cursive script (including Cao Zhang, grass, grass and standard cursive script), official script (including Gu Li and Jin Li) and seal script (including Da Zhuan and Xiao Zhuan).