Building materials for decoration are carriers for space art design to represent language, are material foundation for environment art design. Selection of materials is the basic matter for study of design. So, only by getting a full understanding of the properties of decoration materials, making good use of their advantages through reasonable selection and flexible collocation, and with respect to the available space environment, can materials perfectly perform their functions, thus fulfill the demand of interior space design. Art design and materials are interactional. The realization of art design depends upon materials and materials can get life with excellent design. By starting from the use of physical appearance of materials, we can dig out interior decoration materials’ potentialities for originality, and break through traditional way of design expression, and set up new concepts about how to use decoration materials.