The psychological description is an important technique in novels. It mainly shows the inner activities of the characters through their inner feelings, thoughts, emotions, and psychological state, so that the readers can have a deeper understanding of the characters 'thoughts and emotions and enhance the appeal and attraction of the novel. The main functions of psychological description were as follows: 1. Revealing the inner world of the character: Through psychological description, readers can understand the inner thoughts and feelings of the character and explore the inner world of the character to better understand the character's character and image. 2. Prominent character characteristics: psychological description can show the character's personality characteristics such as emotions, personality, thoughts, etc. through the character's inner feelings and thoughts, thus enhancing the character image of the novel. 3. Increase the tension of the plot: The inner feelings and thoughts of the characters in the novel often resonate with the readers, thus increasing the tension and tension of the plot and making the story more fascinating. 4. Show the emotional changes of the characters: Through psychological description, the emotional changes of the characters can be shown, such as the change from one state to another, so as to better show the character's personality and the development of the story. The psychological description is an important technique in the novel. It can let the readers understand the inner activities of the characters more deeply, enhance the appeal and attractiveness of the novel, and provide important help for the creation of the novel.