When writing a novel or script, the following points could be considered to make the dialogue of the characters meaningful: 1. Set the background and situation of the dialogue: Let the environment, situation, and emotions of the characters become the background and situation of the dialogue. This way, the inner world and the changes in words and deeds of the characters can be better reflected. 2. Discovering the character's personality and psychological state: Through the character's language, behavior, and expression, show their personality and psychological state. For example, an introverted person may be more inclined to be silent, while a person who is out of control may be incoherent or make extreme actions. 3. Use dialogue description skills: dialogue description can show the character's personality and psychological state through the rhythm of the dialogue, the change of tone, the turning of meaning, the combination of language, etc. For example, the use of rhetoric, detailed description, metaphor, symbolism, etc. to enhance the appeal and content of the dialogue. Give meaning and symbolic meaning to the dialogue: The dialogue can be given a certain meaning and symbolic meaning, such as expressing the emotions, thoughts, beliefs, etc. of the characters through the dialogue, which can make the dialogue more profound and meaningful. 5. Use the technique of conversational reversal: conversational reversal is a commonly used conversational writing technique. By adding some decorative language or actions before or after the dialogue to reverse the context or rhythm of the dialogue, the reader can better understand the psychology or thoughts of the characters. To make the dialogue meaningful, one needed to work hard on details, emotions, thoughts, etc. At the same time, one needed to use dialogue description skills and reversal skills to enhance the appeal and content of the dialogue.