Calligraphers in the Eastern Han Dynasty can be divided into two categories: one is the calligrapher of the Han Dynasty, represented by Cai Yong. One is cursive writers, represented by Du Du, Cui Yuan and Zhang Zhi, who was later called "Cao Sheng". Both of them have far-reaching influence on later generations.

Wang Xizhi, a calligrapher in the Eastern Jin Dynasty, was a native of Linyi. The minister and calligrapher of the Eastern Jin Dynasty, the son of Yin Wangkuang in Danyang and the son-in-law of Qiu Chi Jian, is known as the "Book Sage".

Wang Xizhi became an official by virtue of his background. He served as secretary lang, Jiangzhou secretariat, Huiji satrap and moved to the right army general, and was called "Wang Youjun". Yonghe nine years, the organization Lanting Ya Ji. The Preface to Lanting written by him has become "the best running script in the world".

Wang Xizhi is good at learning from various styles, writing in calligraphy, writing in calligraphy, studying body posture intensively, imitating body posture with his heart, learning from others' strengths, preparing various styles, melting them in one furnace, and getting rid of the style of writing in Han and Wei dynasties, which has a far-reaching influence. The style is peaceful and natural, the brushwork is euphemistic and subtle, and it is beautiful and beautiful.

Yan Zhenqing was a famous minister in the Tang Dynasty, with a clear word and a nickname of Xianmenzi. His nickname was Yingfang, and he was born in Jingzhao Wannian. Yan Shigu V, the secretary supervisor of calligraphers in the Tang Dynasty, followed his grandson and Situ Yan Gaoqing followed his younger brother.

Yan Zhenqing's calligraphy is exquisite, and he is good at writing lines and opening letters. Chu Suiliang, a beginner, studied under Zhang Xu and got his brushwork. Its regular script is dignified and majestic, and its running script is vigorous, creating a "Yan style" regular script, which has a great influence on future generations.

Yan Zhenqing, Zhao Mengfu, Liu Gongquan and Ou Yangxun are also called "four masters of regular script". Also known as "Yan Liu" with Liu Gongquan, it is called "Yan Jin Liu Gu".