In the design of the slide sofa chair, the flow space thought of industrial master Mies van der Rohe is used. In the space design, the volume combination is avoided in isolation and still, but the continuous movement space is pursued. In order to enhance the sense of flow, often with the help of smooth dynamic, directional guiding line, so as to create a flow, through, separated and inseparable whole. The track sofa uses the idea of flowing space, so that people can freely adjust their position, and the sofa is modular and free to match the number and shape. The beauty of freedom to produce a public space chat.