Guide children's specific concepts of Chinese characters to their understanding of abstract Chinese characters, and develop their sense of order, concentration and coordination. Montessori teaching is an educational method to comprehensively improve children's quality and develop their potential. The educational value of Montessori China sandpaper board lies in guiding children from understanding specific concepts of Chinese characters to abstracting Chinese characters, and developing children's sense of order, concentration and coordination. Through the operation activities of Montessori mathematics teaching AIDS, children can easily concretize and visualize the incomprehensible mathematics knowledge.