Because cursive script is lyrical, ancient calligraphers often have many different ways to write the same word, which is too casual. Furthermore, in order to facilitate defecation, many strokes and links are omitted, which increases the difficulty of identification. Although I have gradually accumulated some established things, it still looks messy. Until modern times, Mr. Yu Youren wanted to unify the cursive script and made a standard cursive script, which was also mixed.
However, cursive script is the highest realm of calligraphy, and it is very particular about brushwork, ink method, word method, composition, qi, rhyme, potential and rhyme. , which is equivalent to poetry in literary works, not only looks at words, but also looks at meaning, and also has the ability of secondary creation that can stimulate readers' association and imagination. This is called artistry. So it's hard.