What are the main achievements of Wang Xizhi and Gu Kaizhi?

Wang Xizhi is mainly a calligrapher and a saint. Wang Xizhi's achievements in calligraphy in his life mainly lie in the new style, namely, The Evolution History of China's Calligraphy Style, the last mature regular script system in the world, and the running script and modern grass which are directly and indirectly related to regular script.

Gu Kaizhi's major is painting. He is one of the four great families in the Six Dynasties. I remember Luo Shen as his work. As a representative artist in this period, Gu Kaizhi made great contributions to the figure painting art of later generations. This paper explains the artistic characteristics of Gu Kaizhi and its influence on later generations from the perspective of Gu Kaizhi's painting practice and painting theory.