Basing on Japanese scholar Fujino Iwatomo’s study about old-plaint and autumn-sadness phenomenon in Chinese literature, this paper attempts to carry out a discussion of Du ye’s poems. When Qu Yuan flung into his great works, he was already advanced in years. With the melancholy of old age, Qu Yuan was eager about making achievements in his remaining years. As a result of the failure, he felt frustrated for all his talent and soaked himself in the sad mood for autumn. The autumn of life is the twilight years of people. Fallen leaves and gray hair are frequently used vocabularies of "sighing for old" literature. In this way, the interpretation system of Du ye’s poem is built.