First-person writing was usually used in novels, essays, and other literary forms to make the work more realistic and vivid, making it easier for readers to resonate and emotionally invest in it. The following are some common uses for first-person writing: 1. Enhancing the sense of realism: Using the first person can allow the reader to be more immersed in the emotions and thoughts of the characters in the story to enhance the realism of the work. 2. Focus on personal experience and emotions: Using the first person can allow the reader to better understand the author's personal experience and emotions, and thus better understand the theme and plot of the work. 3. Enhancing narrative ability: Using the first person can train the author's narrative ability and improve the literary level of the work. 4. Evoke the reader's emotional resonance: Using the first person can make it easier for the reader to resonate and emotionally invest in the novel, thus better understanding the emotions and thoughts of the characters in the novel. First-person writing could make the work more realistic and vivid, strengthen the narrative ability, and trigger the reader's emotional resonance. It was a commonly used literary technique.