he term refers to charm inherent in an inspiration, or charm created when the object or scene depicted in a poem is appreciated. It is a type of aesthetic enjoyment contained in a poem which is gained through the reader's act of appreciation. In Canglang's Criticism of Poetry, Yan Yu, a poetry critic of the Southern Song Dynasty, voiced his love for poetry's emotional charm and argued against direct expression of an idea in poetry. He stressed the need to enable readers to gain insight and satisfaction in a natural way through personal reflection and contemplation. This term later became an important criterion for evaluating poetry, exerting a strong influence on the poetry theories of the Ming and Qing dynasties 去书内