Reading books could change a person's temperament because the knowledge, experience, and thoughts in books could affect a person's way of thinking, values, and attitudes. Reading books could help people broaden their horizons, improve their quality, and cultivate the ability to think independently, thus changing their temperament and personality. Through reading excellent literary works, people could understand different life experiences and cultural values, thus widening their own thinking and knowledge. Reading books could help people better understand the world and themselves, thus creating a more mature, stable, confident, and thoughtful image. Reading could also improve one's self-cultivation and taste. Through reading classics and cultural masterpieces, people can learn excellent ideas and expressions to improve their aesthetic standards and emotional expression ability. Reading books could help people to better understand themselves and the world around them, thus allowing them to have a more delicate, profound, and emotional temperament. Therefore, reading could not only improve one's intelligence, but also shape one's personality and temperament. It became one of the important ways to enhance one's charm and attractiveness.