Kouzhan poetry refers to poetry that the author recites casually without drafting it in advance. This poetry form is relatively special in ancient Chinese literature, with only a small number, and it has received relatively little attention in terms of content, subject matter, and artistic value. The characteristic of oral poetry is improvisation, which does not rely on written manuscripts and is recited directly from the mouth, so it is also called impromptu poetry. In ancient books such as "Hanshu", there are records about oral fortune-telling, indicating that this creative method has a long history in ancient literature. Because of its unique creation method and improvisational nature, Kouzhan poetry has its own school in the history of Chinese poetry. Kouzhan: refers to improvising poems and reciting them casually, indicating that this person is quick in thinking and writing poems quickly.