1. Creating an atmosphere: Environmental description can create a real and infectious scene for readers through the description of scenes, atmosphere and colors, and create a strong flavor of the times, so that readers can better integrate into the plot of the novel.
2. Reflect the social background: Environmental description can reflect the social background, historical and cultural background at that time from the aspects of architecture, street and character behavior, and help readers better understand the social outlook and cultural atmosphere at that time.
3. Express the theme: Environmental description can express the theme of the novel through the characteristics and changes of the environment, and strengthen the emotional expression and ideological depth of the novel.