The title of the poem clearly refers to chanting "Qin State", but it is actually about Chang 'an, the capital of the Tang Dynasty. It is said that "nostalgia" is actually hurting the present. The picture of sunset in late spring depicted in the whole poem is a portrayal of the decline of late Tang Dynasty. The broken "ancient monuments" in Zhou Pu's works profoundly allude to the ruthless reality of the late Tang Dynasty in name only, and the poet can do nothing but "dream around" and "look back".
This poem has a standard rhyme and a neat antithesis. In terms of writing skills, it adopts the methods of touching the scene, expressing feelings in the scene and writing sad scenes. Emotionally, it contains a deep and lonely thought and emotion.