allusion is a rhetorical device. It refers to quoting ancient stories, legends or famous sayings in articles or works, so as to enhance the expressive force of language and make articles more poetic and profound. Allusions can enrich the meaning of the article, and also increase the cultural background and artistic charm of the article. Citation can be used to enrich the expression. By quoting ancient stories, legends or famous sayings, the expression of the article can be enriched and deepened, and it can be used to enhance the persuasiveness. Citation can give strong support to the author's views and opinions, thus enhancing the persuasiveness of the article. To enhance the cultural connotation and use allusions can make the article have profound cultural connotation and enhance the artistic value and cultural taste of the article.