The Western Han Dynasty was rich in cruel officials. In the medium term, Yan Yannian was the most famous cruel official. Yan Yannian, a native of Donghai County, first served as a county official, then was selected as an imperial official, and soon became an imperial official. After Huo Guang, the powerful minister, deposed Liu He, the king of Changyi, and d Liu Bingyi, Xuan Di, Yan Yannian wrote to him that he &”;deposed the emperor without authorization, without the etiquette and rules of the courtiers.&”; Although Xuan Di did not accept Yan Yannian&;s letter, he was very appreciative of his courage from the bottom of his heart.