Is Liu Shu Yi Yi the earliest poem about Liu Shu in China?

This sentence comes from The Book of Songs Xiaoya Cai Wei: "In the past, I was gone, and Yang Liu Yiyi. Now I am thinking that it is raining again. " It should be China's earliest poem describing Liu.

Xiaoya Cai Wei is a poem in The Book of Songs Xiaoya Luming Literature. The whole poem consists of six sections (one section for every eight sentences), imitating the tone of a garrison soldier receiving the EU. The first five sections focus on the hardships of life, strong homesickness and the reasons why they can't go home for a long time, revealing that soldiers are willing to defend against the enemy and suffer from expeditions, showing their desire for peace. The sixth section ends the poem with a painful lyric, which is touching. This poem uses overlapping sentence patterns and figurative techniques, which embodies the artistic characteristics of The Book of Songs. The first four sentences of the last chapter describe the scenery and feelings at two specific moments, namely, going out that year and surviving today. The words are simple and profound, and the scenes blend, which has always been considered as one of the most famous poems in the Book of Songs.

The Book of Songs is the beginning of China's ancient poetry. This is the earliest collection of poems. It collected the poems from the early years of the Western Zhou Dynasty to the mid-Spring and Autumn Period (1 1 century to the 6th century), including 311poems, among which 6 poems are Sheng poems, that is, only the title has no content, which is called Six Sheng Poems (.