Jiang Nanchun is a seven-character quatrain, which belongs to the quatrain category in modern poetry. Modern poetry is a genre of Tang poetry, including metrical poetry, quatrains and quatrains. A quatrain is a short poem with four syllables each. Each poem has four sentences with seven words. Law is a short poem with five syllables in each sentence. Each poem has four sentences with seven words. As a seven-character quatrain, Jiangnanchun, with seven words in each sentence, not only meets the requirements of the number of words of quatrains, but also follows the requirements of modern poetry, and is listed as a quatrain category in modern poetry.