"Mona Lisa Smile" is a painting based on life themes. It is a portrait of a young woman based on real life. It vividly depicts people and human nature and expresses emerging assets. The pursuit and aesthetic taste of real life by class, the affirmation and praise of people and human nature in real life. "The Last Supper" is a painting with a religious theme. The author uses the technique of contrasting positive and negative images to implicitly describe the characteristics of human nature, citing the power of momentary art to express the character's mood. The structure is concise and focused.