Abstract: Li Zhiyi was the first person who introduced four-line poems into bucolic poem. He wrote the four-line bucolic poems Twenty-four Poems for Yu Sun in the Farmhouse on the West Side of the Road, which have detailed and opulent contents and unique artistic value. In the period that poet of Yuan You period still adhered to the writing techniques developed in prosperous Tang Dynasty, Li Zhiyi broke the restriction of "Shi" and "Nong", which is a milestone in the history of bucolic poems.