Rhythmic poetry, free verse and prose poetry. This is classified according to the phonological rhythm and structural form of the work's language.
(1) Metric poetry: It is poetry written according to certain formats and rules. It has strict regulations on the number of lines of poems, the number of words (or syllables) in poems, tones and rhymes, word antithesis, sentence arrangement, etc., such as "rhymed poems", "quatrains", "ci" and "qu" in ancient Chinese poetry. European "Sonnets".
(2) Free verse: It is a poetry style newly developed in Europe and America in modern times. It is not restricted by meter, has no fixed format, pays attention to natural and inner rhythm, rhymes with roughly similar rhymes or no rhymes, has relatively free number of words, lines, sentence patterns and tones, and the language is relatively popular. The American poet Whitman (1819-1892) is the founder of European and American free verse, and "Leaves of Grass" is his main collection of poems. This style of poetry has also been popular since the May 4th Movement in my country.
(3) Prose poetry: It is a literary genre that has the characteristics of both prose and poetry. The works contain poetic artistic conception and passion, are often full of philosophy, focus on natural rhythm and musical beauty, are short in length, and have no lines or rhymes like prose, such as Lu Xun's "Wild Grass".