The Book of Sand was one of Borges 'novels and was hailed as one of his masterpieces. The novel displayed Borges 'extraordinary artistic imagination with its unique narrative, rich character descriptions and imaginative plot settings. The following are some of the aspects of Borges 'artistic imagination in the Book of Sand: 1. Narration method: Borges used a unique narrative method in the novel, that is, telling the story from multiple perspectives, so that the readers can look at the same event from different perspectives and obtain more information and feelings. This kind of narration not only increased the complexity of the novel, but also made the novel full of imagination and mystery. 2. Character description: Borges used detailed character descriptions to show the personality, psychology, and fate of different characters in the novel. For example, the "I" in the novel (referring to the author himself) reflected his own life experiences and feelings through the description of different characters, thus showing his own unique perspective and emotions. This kind of character description not only increased the realism of the novel, but also made the novel full of imagination and mystery. 3. Plot setting: Borges presented the theme and meaning of the novel through imaginative plot setting. For example, the Book of Sand in the novel was an item with magical abilities that allowed people to see the past and the future, showing Borges 'thoughts on time, space, and mysterious powers. In addition, there were many imaginative scenes and settings in the novel, such as the castle in the desert, mysterious magic rituals, etc. These scenes and settings not only increased the imagination of the novel, but also showed Borges 'fantasy and creation of the real world. To sum up, Borges showed his extraordinary artistic imagination through his unique narrative, character description, and plot setting in The Book of Sand. This imagination not only increased the complexity and mystery of the novel, but also made the novel full of imagination and creativity.