A romance novel was a novel that used emotions as the main clue to describe the emotional experiences and inner conflicts between the protagonists to show the plot. In romantic novels, the feelings between the protagonists were often very sincere, full of emotional entanglements, betrayal, pain, loss and other elements that made the readers feel emotional impact and shock during the reading process. Romance novels usually depicted the protagonist's emotional experiences and conflicts in a romantic way to show the emotional world deep in the human heart.