Running script is the most common and easy-to-write popular font in modern letters and stationery, which is both beautiful and efficient. Compared with regular script, Lian Bi, a running script, makes writing more efficient; Compared with cursive script, the composition of running script font is more regular and the recognition is higher. For beginners of calligraphy, running script can also be used as the first practice font. After learning, it is easy to change fonts such as regular script, running script and cursive script.