There are many ways to portray a character's personality in a novel. You can refer to the following suggestions: 1. Description of the character's appearance and physical characteristics: By describing the character's clothes, hairstyle, skin color, facial features, etc., the reader can feel the character and temperament of the character. 2. Conversation: Through the dialogue of the characters, show their character and attitude. Some tone words, expressions, gestures, etc. could be added to the dialogue to let the reader better understand the character's psychology and emotions. 3. Action and reaction: Through the actions and reactions of the characters, their personalities and emotions are revealed. For example, a character might react differently to a sentence, an expression, or an action, which helps readers better understand their psychology and emotions. 4. Setting and environment: Through the background and environment of the characters, their personalities and emotions are revealed. For example, what kind of environment would a character grow up in and what kind of values and personality would he have. 5. Details and hints: Use some small details and hints to show the character's personality and emotions. For example, a character's clothes, accessories, habits, and so on could hint at their personality and tendencies. To portray a character's personality in a novel, a variety of techniques and methods were needed to allow the reader to better understand the character's psychology and emotions through different ways of description, so as to better enjoy the reading process.