The advantages and disadvantages of writing a novel in the first person are as follows: Writing a novel in the first person allowed the reader to feel the author's emotions and thoughts more directly, increasing the sense of immersion. This kind of writing style usually made the novel more realistic and vivid, making it easier for the readers to resonate and react emotionally. However, there were certain drawbacks to writing novels in the first person. First of all, this kind of writing style would limit the author's ability to express and describe, and the plot and character creation of the novel would be limited. Secondly, a first-person novel might make the reader feel that it lacked the sense of objective and coherent meaning, making it difficult for them to understand the logic and plot development of the story. In addition, writing in the first person might cause the readers to misunderstand the author's emotional and psychological state, reducing the readers 'acceptance and satisfaction. Therefore, writing a novel in the first person required the author to weigh and choose the appropriate writing method according to the plot and theme of the novel. In the process of writing, the author can appropriately use the third person description to enhance the objectively and coherently of the novel. At the same time, he must maintain the sense of first person substitution so that the readers can better feel the emotions and thoughts of the novel.