The Chronicle of Baiyangdian Lake was a long prose novel that described the ecology and cultural customs of the Baiyangdian Lake. Many of the chapters were narrated in the form of dialogue. The use of dialogue allowed the readers to experience the plot and characters in the novel more vividly. Through dialogue, the author could better convey the emotions and characters in the novel, making it easier for the readers to understand the plot and the relationship between the characters. The way the dialogue was narrated could also enhance the realism and credibility of the novel. Through dialogue, the author could better express the thoughts, emotions, and behaviors of the characters in the novel, making it easier for the readers to understand and identify with the plot and characters in the novel. Therefore, in Baiyangdian Chronicle, the narrative method of dialogue could better show the plot and characters in the novel, enhance the realism and credibility of the novel, and make it easier for readers to understand and accept the story in the novel.