The direction of their poetry creation turned to the heart, and the objects of writing were all beautiful inner worlds. Some poems of Yishan can be mixed with Li He's poems.
Extended data:
Li Shangyin is generally regarded as the most outstanding poet in the late Tang Dynasty. His poetic style is deeply influenced by Li He, and his syntax, composition and structure are all influenced by Du Fu and Han Yu.
Among the outstanding poets in the Tang Dynasty, his importance is second only to Du Fu, Li Bai, Wang Wei and others. As far as the uniqueness of poetic style is concerned, Li Shangyin is not inferior to any poet.