The design of the sales office tried to use the appearance of the Dili mountains, combined with the profound cultural heritage of Henan and the characteristics of the architecture of the Song Dynasty, to interpret the unique aesthetics of Chinese space design. Enter the sand table area through the hall, and integrate with the way of the square and the circle, seek changes in the square and the circle, and find more possibilities for the beauty of the city and space in the breakthrough, integration and balance.