During the Jin Dynasty, he advocated elegance and elegance in life, and pursued the beauty of moderation and lightness in art. Calligraphers came forth in large numbers, and bamboo slips were the two kings (Wang Xizhi. Wang Xianzhi) Yan Fang's artistic taste caters to the requirements of literati, and people are more and more aware of the aesthetic value of words. Wang Xizhi is the most representative and influential calligrapher in the history of calligraphy in Wei and Jin Dynasties, and is known as the "sage of calligraphy". Wang Xizhi's running script Preface to Lanting is known as "the best running script in the world". Critics say that his writing style is like floating clouds, and his son Wang Xianzhi's Ode to Luoshen is magnificent, and his "breaking the body" and "brushstroke" are a great contribution in the history of calligraphy. Driven by Lu Ji, Wei and Jin Dynasties, Suo Jing, Wang Dao, Xie An, Liang Jian and other calligraphy families, Nanzong calligraphy flourished. Yang Xin, Qi, Xiao Ziyun and Chen of Liang in the Southern Song Dynasty were all his followers.
At the peak of calligraphy in Jin Dynasty, it was mainly manifested in running script, which was a font between cursive script and regular script. His representative works "Sanxi", namely "Yuan Bo Tie", "Sunshine Tie in Fast Snow" and "Mid-Autumn Festival Tie".