Both artistic and rhetorical devices were commonly used in literature, but they had different meanings and functions. The artistic techniques referred to the literary techniques used to express the theme and emotions through specific techniques and techniques in literary creation, such as description, narration, lyricism, symbolism, etc. The purpose of artistic techniques was to allow the readers to better understand and feel the emotions and theme in the works, while also adding artistic sense and literary value to the works. Rhetoric is a kind of metaphor, exaggeration, contrast and other techniques used to enhance the expression of the language to make the article more vivid and interesting and easier for readers to understand. The purpose of rhetoric is to express more profound and infectious thoughts through language skills, so as to enhance the expressiveness and artistic appeal of the article. Therefore, although artistic techniques and rhetorical techniques are both used to enhance the expression and artistic appeal of the article, their purpose and function are different. The artistic techniques are used to make the article more concrete, real and vivid, while the rhetorical techniques are used to make the article more appealing and expressive.