Cai Yan was in the late Eastern Han Dynasty, which was later than Mrs. Xu Mu or Zhuo Wenjun. Mrs. Xu Mu is famous for her elegant writing style, that is, a genre of "ode to elegance" in The Book of Songs. Her works have also been included in The Book of Songs, but the Book of Songs is not strictly a poem. It is the oldest collection of poems in China, a realistic collection of poems, collected from. Mostly four words, with miscellaneous words.
Zhuo Wenjun was in the Western Han Dynasty and was good at writing Fu. His famous works are Sima Xiangru's "Dragon Gate Fu" and "Phoenix Seeking Phoenix". "Mourning for the Past" left by Cai Yan is the first autobiographical five-character narrative poem in the history of China's poetry.