The name of a real city could be used in a novel, but there were some rules and restrictions. Some real city names may be banned by the copyright owner, so you need to abide by the relevant copyright laws when using the real city name. Using the name of a real city could improve the realism of the novel, making it easier for readers to resonate and emotionally invest in it. However, if you want to avoid copyright issues, you can also use a fictional city name in the novel. When using the real city name in a novel, one had to pay attention to the history, culture, and background of the city and not over-portray or exaggerate the city. This way, the fiction and uniqueness of the novel could be maintained. It was okay to use the real city name in a novel, but you had to pay attention to copyright issues and maintain fiction.