The lighthouse was usually a very important element in the description of the novel's environment. Through its performance, it could reveal the background, atmosphere, character's psychology and other aspects of the story. The lighthouse keeper could also analyze the meaning of the lighthouse. As a landmark building, lighthouses usually represented hope and light. In the novel, the lighthouse keeper symbolized the protagonist's spiritual pillar, which brought him confidence and courage, allowing him to remain calm and firm in adversity. The lighthouse could also be used as the background and clue of the story. By analyzing the lighthouse's location, size, shape, color, and other characteristics, the watchman could infer the time, place, background, and other information of the story. At the same time, the lighthouse could also be used as a clue to the character's actions, allowing the watchman to better understand the character's psychology and actions. The lighthouse keeper also needed to analyze the function and significance of the lighthouse. A lighthouse was usually a navigation and illumination facility that provided safety and guidance for ships and pedestrians. In the novel, the lighthouse keeper had to consider the meaning and function of the lighthouse and its impact on the story. For example, the lighthouse keeper might discover contradictions and conflicts in the story and find solutions by analyzing the role of the lighthouse. Therefore, the lighthouse keeper could analyze the lighthouse in the novel from many aspects to help readers better understand the plot and the psychology of the characters.