1. Reveal the theme of the article: The title "Lotus Root and Laojin in Jinwan" directly points out the lotus root and Laojin in Jinwan, the protagonist to be introduced in the article. Through this title, readers can quickly understand the theme and content of the article.
2. Arouse readers' interest: This title has a certain mystery and suspense, which makes people curious about the connection between Jinwan lotus root and Laojin, thus arousing readers' interest in reading.
3. Regional cultural characteristics: the lotus root in Jinwan represents the local regional cultural characteristics. Through this title, readers can feel the rich local customs and characteristics.