During the Song and Yuan Dynasties, the literature and art of shadow and physiognomy, which were developed by the commodity economy, became secular and popular. The development of commodity economy has promoted the process of urban development, making people more exposed to different cultures and art forms. Therefore, all kinds of art forms in the Song Dynasty were widely influenced and influenced to become secular. For example, painting, sculpture, calligraphy, and other art forms in the Song Dynasty paid more attention to the expression of real life. They pursued a real, vivid, and delicate expression that was closer to the social reality of the time. The secularization of literature and art also reflected the commoners 'living conditions. In the Song Dynasty, with the acceleration of the process of urban development, people's lifestyle and values changed. They paid more attention to the feelings and experiences of real life, and paid more attention to the commoners, practicality, and real-life performance of literature and art. The literary creation of the Song Dynasty also paid more attention to reflecting the social reality and people's lives. There were many literary works that reflected social problems and people's livelihood. For example, the novels of the Song Dynasty, such as Water Margins and Journey to the West, depicted the dark side of society and the suffering of the people, reflecting the reality of society and the voices of the people at that time. The Song Dynasty's literature and art also produced many works that expressed the lives of the people, such as "Tokyo Menghua Lu","Shi Shuo Xin Yu" and other literary works that depicted the lives of the people at that time, customs, customs, etc., providing valuable information for people to understand the life at that time. During the Song and Yuan Dynasties, the secular and common literature and art reflected the social reality and the change and development trend of people's lives at that time, and also left a precious cultural heritage for future generations.