Bai Juyi's Song of Eternal Sorrow is a long narrative poem written by Bai Juyi, a poet in the Tang Dynasty. This poem can be divided into three parts. The first section consists of thirty-two sentences, from "Emperor China, lust may shake the beauty of an empire" to "the tune of a rainbow skirt and feather clothes is broken", describing the love life and love effect of Emperor Xuanzong of Tang Dynasty and Yang Guifei, and the resulting national famine and chaos and the outbreak of Anshi Rebellion.