While the manifestations of mutism in children and adults may be similar, their underlying mechanisms and psychological backgrounds differ significantly. Mutism in children often occurs early in development and is closely related to attachment relationships. When children experience separation anxiety or assessment pressure in unfamiliar environments, their language system is temporarily suppressed. This is not resistance, but rather a reflection of an insufficient sense of security. Children's brains are still developing, and their emotional regulation abilities are limited; therefore, mutism often occurs simultaneously with attachment anxiety and social avoidance. Mutism in adults, on the other hand, stems more from conditioned reflexes accumulated over long periods. For example, repeated negative experiences, humiliating memories, or high self-expectations can cause the brain to quickly enter a frozen state in specific situations. Adults often possess language abilities but lose access at crucial moments, leading to stronger feelings of self-blame and shame, further exacerbating inhibition. The core of childhood mutism is the inability to learn safe expression, while the core of adult mutism is the loss of access to language once learned under pressure. Understanding this difference is crucial because the intervention paths differ. Children need stable companionship, gradual familiarization, and support through nonverbal communication, while adults need to dismantle their internalized judgment systems and rebuild trust in self-expression. Regardless of age, mutism is not a fixed label but a reversible state. When the environment becomes predictable and the body feels allowed again, language will naturally return. True healing is not about demanding that you speak immediately, but about allowing the needs of different age groups to be seen and respected. Only when these needs are met will the voice return.