Cai Bian (1048-117) was born in Zijinshan, Chixiaoli, Xianyou County, Xinghua Army, Fujian Road in the Northern Song Dynasty (now Chiling Natural Village, Dongzhai Village, Fengting Town, Xianyou County, Fujian Province). Minister and calligrapher in the late Northern Song Dynasty. Cai Jing's younger brother, son-in-law of reformer Wang Anshi. In the third year of Xining (1070), Cai Bian and his brother Cai Jing entered the imperial examination. In the fourth year of Shaosheng (1097), Cai Bian was promoted to Zuo Cheng, and he was appointed to the Privy Council. Hui Zong, add a bachelor's degree in the Confucian Temple and inspect the school.
Zheng He died in seven years at the age of seventy. Zheng Wen. After the establishment of the Southern Song Dynasty, Cai Bian, who died, was implicated by his brother Cai Jing, and adopted Ren Jianzhang as the doctor of remonstrance, and was relegated to be the ambassador of Danzhou forever.