Ouyang Xiu's poem, "The leaves of a well tree fall on the edge of the pool, but the rain passes through the west window and it never smells", which poet's poem is used to analyze its function.

West window, Li Shangyin's note to friends in the north on a rainy night, "When * * * cuts candles at the west window" incident. In Rain at the West Window, the poet used Li Shangyin's poem "When you cut the candle at the west window, you talk about the rain at night", which skillfully expressed the thoughts and feelings of missing your family and longing to go home, which was kind and natural and added the connotation of the poem.