Heaven is still our neighbor. However, maintaining our friendship in China means that as long as you have close friends, you won't feel like brothers in all corners of the world. And heaven remains our neighbourhood, from "Farewell to Shu" to "Farewell to Shu" is a poem written by Tang writers. This poem is to comfort friends not to be sad when they leave. The first pair of couplets depicts the scene and style of parting places and friends' parting places, implying the feeling of parting and strictly confronting each other; Couplets are words of relief, pointing out the inevitability of parting, inheriting with scattered sounds, turning reality into emptiness, ups and downs of literature and feelings; The sudden peak of the neck joint highly summarizes the scene of "deep friendship, which sublimates friendship to a higher aesthetic realm"; The couplet points out the theme of "seeing off" and continues to encourage and remind friends, which is also an emotional confession. The whole poem is full of ups and downs, flowing atmosphere and broad-minded artistic conception. It is an unparalleled classic in farewell poems. Although there are only forty words, it is full of twists and turns, as if a small picture contains countless mountains and valleys, and the scenery is endless, which has been widely circulated so far.