Simply put:
Requirements for the creation of couplets: There are only two couplets, the upper and lower couplets have the same number of words, and the number of words on one side is not limited. There are strict requirements for the level and level, and there is no rhyme limit.
The requirements of poetry creation:
1, modern poetry: quatrains are four sentences, and regular poems are eight sentences, which are divided into five words and seven words. Pingzuo poems have a fixed format, and the couplets of regular poems require antithesis and rhyme.
2. Modern poetry: There is no fixed requirement for the number of sentences, the number of words, the level and the antithesis, and it can be rhymed or not.