The main points of the book are as follows: 1. The angustiates flower is a plant in the novel and one of the places where the story takes place. Therefore, the title of angustiates flower can accurately express the theme and emotion of the article. The smile of the angustiates was a beautiful symbol that represented the power and hope of life. Through the description of the smiley angustids, the readers could feel the vitality and beauty of life and resonate with the readers. 3. Using the name of the angustiates flower could also highlight the narrative style of the article. The article centered on the growth environment, growth process, blooming situation, laughter and other contents of the angustiates flower to show a warm and interesting story to the readers. To sum up, the title of "Smiling at the Flower of Elaeagnus angustiorum" can accurately express the theme and emotion of the article, highlight the narrative style of the article, and let the readers better understand the content of the article.