The side profile description was to describe the character's emotions, psychology, and personality by describing the surrounding environment, other people's reactions, and details to achieve a deeper and more detailed description effect. In a novel, side descriptions could be used to enrich the character's image, strengthen the plot, and reveal the character's inner world so that readers could better understand the character's emotions and personality. The following are some common side descriptions: 1. Description of the environment: By describing the environment in which the character is located, such as the atmosphere, atmosphere, scenery, etc., to express the character's emotions. For example," He sat by the window and looked out at the green grass and blue sky. He was in a particularly good mood." 2. Other people's reactions: By describing the reactions of the people around the character, such as dialogue, actions, expressions, etc., to express the character's emotions. For example,"She frowned at his complaint and left the room in silence." 3. Description of details: By describing the details around the character, such as clothes, accessories, habits, etc., to express the character's emotions. For example," He looked down at his necklace and found that it was a sparkling diamond. His mood instantly improved." 4. Psychological Description: Through describing the thoughts, feelings, doubts, etc. of the character, the emotions of the character are expressed. For example,"He felt very conflicted and did not know what to do." Through the use of these side descriptions, the novel could be more vivid and delicate, allowing the readers to better understand and feel the emotions of the characters.