The role of the characters in the novel in describing the environment was mainly as follows: 1. To provide background and atmosphere: The environment is the background and atmosphere of the story. Through the description of the environment, the reader can better feel the atmosphere and tension of the story. 2. Prominent character's state of mind: The environment can reflect the character's state of mind. Through the description of the environment, the reader can better understand the character's emotions and thoughts. 3. Drive the development of the storyline: Changes in the environment can drive the development of the storyline and pave the way for the ending of the story. 4. Shaping the character image: The environment can shape the character image. Through the description of the environment, the reader can better understand the character's personality characteristics and behavior. 5. Enhancing the reader's reading experience: The environment can improve the reader's reading experience. Through the description of the environment, the reader can be better immersed in the story and increase the interest and pleasure of reading.