The Song of White Snow Sending Judge Wu Back to the Capital was an ancient poem that belonged to the category of Tang poetry. The 20 poems were one of the representative works of the Tang Dynasty poet Wang Zhihuan. The poem used parting as the theme to describe the scene of the poet parting with his friends, expressing the poet's cherish of friendship and blessings to his friends. The language of this poem is concise, the artistic conception is profound, and it has a strong poetic and artistic meaning. It is a classic work of ancient Chinese poetry.