Lotte (772 ~ 846) was born in Tang Daizong for seven years and died in Huichang for six years. Zhenyuan was a scholar, the official to the school book lang, praised the doctor, and was later demoted to Jiangzhou Prime Minister Wu. During the reign of Changqing, he traveled to Hangzhou and Suzhou to make a secretariat, and later became a prince of Shaofu. Bak Yan was transferred to the East Capital because of his connection with the Party. In the second year of Huichang, he became an official with the minister of punishments, and finally died in Xiangshan, Luoyang. Bai Juyi is an advocate of the new Yuefu movement. His articles are incisive, especially his poems, approachable works and the understanding of an old woman. In his later years, he released Italian poetry wine and called himself Mr. Zuiyin. At first, it paid tribute to Yuan Zhen, nicknamed "Bai Yuan", and was called "Bai Liu" with Liu Yuxi. He is the author of Bai Changqing Collection and so on.
His poems now number 3,000, which is second to none in the Tang Dynasty. He once divided his poems into four categories: irony, leisure, sentimentality and miscellaneous methods. He attaches great importance to satire. There are 50 representative works of New Yuefu, which embody the poetic theory of "for the monarch, for the minister, for the people, for things and for things". Bai Juyi actively advocated the new Yuefu movement in literature, emphasized the restoration of the realistic tradition of ancient Yuefu, and advocated that "articles should be written in time, songs and poems should be written for things" ("Nine Books are the same") and that "only songs can make people sick"