Folk art carries and expresses people’s ideas, emotional attitudes and aesthetic tastes with visual images, enriching people’s spiritual life and material world. In the multi-culture and information society, the function of folk art for primary school students to learn image communication and communication, forming simple visual culture consciousness and cultivating new creative consciousness cannot be replaced. This article expounds the function of folk art from the basic function of art, the particularity of folk art, the function of folk art and art education in primary schools. The rational development and utilization of folk art resources and the full release of folk art functions in primary art education are the best teaching strategies to steadily improve the effectiveness of primary art education.