Cai Yong (132 ~ 192) was a poet, essayist and calligrapher in the Eastern Han Dynasty. The word "Bo". Chen was born in (now Qixian County, Henan Province). Knowledgeable, good at diction, proficient in melody. When Emperor Huan was in power, the eunuch heard that he was good at playing drums, so he asked the emperor to let Liu Chen be the prefect and urged him to go to Beijing. Cai Yong went to Yanshi and said that he was ill and came back. The spiritual emperor met the practitioners, looked up books in Dongguan, and moved to negotiate with them. In the fourth year of Xiping (175), Cai Yong wrote the Six Classics, and carved a stone tablet outside imperial academy, which was called "Xiping Shijing" in history. Later, he was demoted to Shuofang for impeaching eunuchs. After being pardoned, he dared not go back to his hometown and fled to Jiangsu and Zhejiang 12 years. Dong Zhuo forced him to be an official when he was in Xian Di. Dong Zhuo was punished, Yong was arrested and died in prison. Cai Yong wrote 104 poems, poems, tablets and inscriptions. In addition, Cai Yong's calligraphy is exquisite, especially the official script, which has a great influence.