Writing sad novels was a common way of writing for the following reasons: 1. Attract the reader's attention: Tragic novels usually attract the reader's attention because they hope to find resonance and emotion in the novel. By describing the protagonist's sad experience, the author can make the readers feel the fragility and impermanence of life, thus deepening the readers 'understanding of the novel's theme. 2. Exploring human nature: Tragic novels can explore various emotions and contradictions in human nature, such as love, hate, fear, loss, and so on. By describing the protagonist's sad experience, the author can reveal the complex emotions in human nature and help the readers better understand human behavior and psychology. 3. Increase the appeal of the story: Tragic novels usually increase the appeal of the story because the protagonist's sad experience will make the reader feel the pain and helplessness of the protagonist, making it easier for the reader to be attracted and moved by the story. 4. Express the author's feelings: writing a sad novel can also express the author's feelings. By describing the sad experience of the protagonist, the author can express his inner feelings and emotions, and at the same time, it can also let the readers better understand the author's writing intentions. Writing a sad story was a good way to attract the readers 'attention, explore human nature, enhance the appeal of the story, and at the same time express the author's feelings.