Liu Yuxi (772-842), born in Luoyang (now Henan), was a writer, philosopher and politician in the Tang Dynasty. He claimed to be a descendant of the King of Mountain Scenery in Hanzhong. He is a supervisor and member of Wang Reform School. He was a scholar in the ninth year of Yuan Dynasty (793), and was later demoted to Sima of Langzhou (now Hunan) because of Wang. Yuanhe decade (8 15) was recalled and demoted to Lianzhou secretariat. Be a guest of the prince in the evening and check the history of the school. Yuxi used to imitate folk songs as new words in Langzhou. And Liu Binji. A famous poet in the middle and late Tang Dynasty, known as a "great poet", is one of the representatives of literature in the middle Tang Dynasty. His family is a scholarly family handed down from generation to generation by Confucianism. Advocating political innovation is one of the core figures of the Wang school's political innovation activities. Later, Yongzhen failed in innovation and was demoted to Sima Langzhou (now Changde, Hunan). According to the textual research of Mr. Zhou, a historian and collector in Changde, Hunan Province, Liu Yuxi was demoted to Sima Langzhou, during which he wrote the famous "Han Shou Chun Wang".

Liu Yuxi, whose ancestors were Liu Liang, the son and seventh ancestor of Lady Jia, Emperor Jing of Han Dynasty, served as the secretariat of Jizhou in the Northern Dynasty and moved to Luo with Emperor Xiaowen of the Northern Wei Dynasty. Father Liu Xu moved to Suzhou to avoid the Anshi Rebellion. Liu Yuxi was born in the seventh year of Dali (772). His father and ancestors were petty bureaucrats. His father Liu Xu was an official in Jiangnan, where Liu Yuxi spent his adolescence. He began to study Confucian classics and write poems at an early age. He was clever and diligent, and was once influenced by famous poems at that time.

In the sixth year of Zhenyuan (790) 19 years old, Liu Yuxi studied in Luoyang, Chang 'an and other places, enjoying a high reputation among scholars. Zhenyuan nine years (793), and Liu Zongyuan tied for Jinshi, the same year for Hongci Jinshi. Two years later, I went to the official department to take an examination of the scholar department, and was placed as a prince school book. Ding You soon stayed at home. In the 16th year of Zhenyuan (800), Du You appointed Liu Yuxi as our ambassador, taking Huainan as the ambassador and Xu Sihao as the ambassador. Later, Du You returned to Yangzhou. Du You wrote many forms during his stay in the curtain. In the eighteenth year of Zhenyuan (802), he was transferred to the main book of Weinan County, Jingzhao Prefecture, and soon transferred to supervise the imperial history. At that time, both Han Yu and Liu Zongyuan worked in Yushitai, and the three became friends and had a very close relationship.