Two Poems in Autumn is a set of poems written by Liu Yuxi, a poet in Tang Dynasty, when he was relegated to Sima, Langzhou. The value of the two poems lies in the poet's unique feelings about autumn and autumn colors. Contrary to the tradition of mourning for autumn in the past, they praised the beauty of autumn and used the description of the yellow crane to express the author's lofty sentiments and open-minded optimism.