The first paragraph of " Camel thorn " described the natural characteristics of the desert, including dryness, heat, fine sand grains, and high sand dunes. These characteristics provided the background and prerequisites for the story setting and plot development of the novel. The purpose of this description was to let the reader better understand the environment of the novel and lay the foundation for the subsequent plot. At the same time, this description also presents the natural landscape of the desert through visual and sensory means, creating a desolate and magnificent atmosphere that helps to enhance the reader's reading experience and feelings. In the novel, this description could also provide a basis for character setting. For example, the camel thorn in the novel was a plant whose growth and shape could be used to describe the living conditions of camels and the living environment of camel caravans. At the same time, this description could also provide reference for the character's performance and dialogue. For example, the character might have different emotions and reactions after seeing the camel thorn. These reactions could be used to express the character's personality and character.