Wang Xizhi (33-361), Han nationality. His son Wang Xianzhi's calligraphy is also very good. People call them "Two Kings", and another son, Wang Ningzhi, who was a general of the right army, is known as "Wang Youjun" and "Wang Huiji". Representative works include: Le Yi Lun in regular script, Huang Ting Jing, Seventeen Sticks in cursive script, Aunt Sticks in running script, Sunny Sticks in Fast Snow, Mourning Sticks, Preface to Lanting in running script, etc. Intensive study of physical situation, heart imitation and hand pursuit, extensive use of others' strengths, smelting in one furnace, created a running script of "natural nature, abundant gods to cover generations", which was praised as "the sage of books" by later generations. Among them, Preface to the Lanting written by Wang Xizhi is admired by calligraphers and is called "the best running script in the world". Wang Xizhi has a deep knowledge of real calligraphy, cursive script and calligraphy.