Poetry is a literary genre that expresses feelings and wishes. It is a literary genre with a certain rhythm and rhythm, which vividly expresses the author's rich emotions in highly concise language and reflects the social life in a concentrated way. "Preface to Mao Poetry" records: "Poets have aspirations. Have ambition in your heart and speak like a poem. " Yan Yu's Poems on Canglang in the Southern Song Dynasty said that "poets chant temperament". There is only one art expressed in words: poetry.