The role of the background of the era at the beginning of the novel to express the character's personality was mainly manifested in the following aspects: 1. To provide background information: The beginning of the novel provides the readers with the social and historical background of the story, which provides the necessary foundation for the character setting and the development of the story. For example, in this era, the social environment, cultural traditions, political systems, and other restrictions and constraints would have an impact on the behavior and thoughts of the characters. 2. Shaping the character image: The background of the era at the beginning of the novel can provide the necessary background and conditions for the character's character setting to better shape the character image. For example, in this era, characters may be subject to various restrictions and constraints such as social status, family background, political background, etc. These restrictions and constraints will shape the character and make the character's behavior and thoughts more complicated and diverse. 3. To promote the development of the story: The background of the era at the beginning of the novel can provide the necessary background and conditions for the development of the story to promote the development of the story. For example, in this era, the characters might face various challenges and difficulties, which would encourage the characters to continue to explore, grow, and improve, thus promoting the development of the story. 4. Enhancing the expression of the theme: The background of the era at the beginning of the novel can also strengthen the expression of the theme. For example, in this era, the characters might face various restrictions and constraints, which would further highlight the theme of the story, such as freedom, power, tradition and modern, human nature, and so on.