Multimedia sand table is the use of projection equipment combined with physical planning model, through precise alignment, to create dynamic plane animation, and projected onto the physical sand table, thereby generating a dynamically changing new physical model representation. The multimedia sand table integrates multimedia display and interactive functions. Through the integration of sound, light, electricity, image, three-dimensional animation and computer program control technology with the solid model, it can fully reflect the characteristics of the displayed content and achieve a unique and dynamic dynamic visual effect. It is a brand new experience for visitors, and it can resonate strongly.