1, seal script: there is a big seal before the small seal. Calligraphy is thin and straight, and strokes are not important. In 22 1 BC, Qin Shihuang unified China, abolished six foreign languages and simplified the unified font, which was later called Xiao Zhuan. The font is slightly longer and the strokes are even and beautiful. 2. Official script: Official script is flat, neat and exquisite. In the Eastern Han Dynasty, the painting of skimming and pressing was beautified as upward provocation, with different degrees of severity. It enhances the aesthetic feeling of the plastic arts of calligraphy, enriches the style and greatly improves the artistic appreciation value. 3. Regular script: Regular script is also called official script and real script. It gradually evolved from official script and became more simplified. The font is changed from flat to square, and the strokes are simple, omitting the wave potential of Han Li. At that time, it was horizontal and vertical, characterized by neat rules, so it was called kaifa, because this kind of calligraphy can be used as a model calligraphy and has been used ever since. 4. Running script: Running script is a quick writing of regular script. According to legend, it began in Han Wei, and there was no neat regular script and no draft cursive script. Regular script or running script close to regular script is called running script, and cursive script or running script close to cursive script is called running script. 5. Cursive script: Cursive script is to connect characters according to certain rules, with simple structure and extensive quotation, instead of scribbling at will. Cursive script is characterized by artistic appreciation value greater than practical value. Generally speaking, there are two kinds: Cao Zhang and Cao Jin. Cao Zhang is a simple and quick official script style, and the characters are independent and unconnected. Nowadays, Cao Cao is a quick script of regular script, and the strokes between the upper and lower strokes are often implicated.