Is it right to say that the lotus rhyme in Qing Tang uses a lot of rhetorical devices such as exaggeration and parallelism?

That's right.

Rhetorical devices such as exaggeration and parallelism are widely used in Qing Tang Lian Yun to express strong feelings and enhance the story.

Harmony in the Qing Dynasty is a romantic poem written by Wang Runfa, a poet in the Ming Dynasty.