In the novel, the fierce blade travels in the snow, the northwest is filled with smoke, and everyone in the capital is at peace. The chapter about Luoyang being the wife of Huyan, a high official, was written because this plot appeared in the novel as a background to describe the social class division and power struggle at that time. Luo Yang was an important character in the novel and also the wife of Huyan Da Guan. In the novel, Luo Yang was a woman of noble birth, intelligent and wise. She had a deep relationship with Huyan, and she also represented the image of a high-ranking figure in society at that time. By writing that Luoyang was the wife of Huyan Daguang, the author could let the readers understand the reality of social class division at that time, and at the same time, it could also enhance the readers 'understanding of the relationship between the characters and the plot in the novel. In addition, Luoyang's identity and status was also an important plot in the novel. By writing about her relationship with Huyan Daguan, it could show the relationship between people of different social classes at that time, and at the same time, it could also lay the foundation for the later plot. Therefore, the novel wrote that Luoyang was the wife of Huyan Daguang to better show the reality and complexity of the society at that time and lay the foundation for the subsequent plot.