1. Different concepts: ancient poetry is a term of ancient Chinese literature, which refers to ancient poetry and prose. Including ancient literary works, historical documents, philosophical works and so on. Classical Chinese is the written language in ancient China, based on the spoken language in the pre-Qin period.
2. Different characteristics: ancient poetry is based on words, paying attention to using allusions, parallel prose, neat rhythm and no punctuation, including strategies, poems, words, songs, stereotyped writing, parallel prose and other styles. Classical Chinese is a processed written language based on ancient Chinese.