Parallel prose was a form of prose in ancient China. It was mainly used to describe the rhythm and rhythm of parallel prose. The most famous one was the cadence. The cadence refers to the rhythm and rhythm of the language in parallel prose. It creates a beautiful and melodious language effect through the cadence, pause and repetition. Specifically, the cadence in parallel prose could be divided into the following types: Suppression: Suppression refers to the use of short, concise words to express ideas in parallel prose, avoiding lengthy and repetitive language, so that the article is more concise and smooth. The second is to emphasize the importance of certain words or sentences through comparison, metaphor, exaggeration and other means to make the article more powerful and vivid. 3 pauses: Pausing refers to adding pauses in the process of expressing ideas in parallel prose to make the article more rhythmic and beautiful. 4th fold: the transition refers to the structure of the article through comparison, reflection and other ways to make the structure of the article clearer and more rigorous. Through the use of cadence, it achieved beautiful temperament, smooth rhythm, and strict logic. It became a classic in ancient Chinese literature.