What characteristics should a good poem have?

A highly concentrated literary genre that reflects social life is full of the author's thoughts and feelings and rich imagination. The language is concise and vivid, with distinct rhythm, harmonious phonology and rich musical beauty. Sentences are generally arranged in branches, paying attention to the beauty of structural form. He Qifang, a modern poet and literary critic in China, once said: "Poetry is a literary style that reflects social life most intensively, and it is full of rich imagination and feelings. It is often expressed in a direct lyrical way, and its language is different from prose in the degree of exquisiteness and harmony, especially in the distinctive rhythm. " This definition summarizes several basic characteristics of poetry: first, it reflects life in a highly concentrated and general way; The second is lyrical expression, full of rich thoughts and feelings; Third, rich imagination, association and fantasy; Fourth, language has musical beauty.