An L-shaped layout encloses the existing green land on the northwest as a back yard of the building. The arrangement of the functions follows the consideration of convenience, comfort and safety. Different areas and circulations are provided for different officials. Three indoor tennis courts define the figure of the building. By the manners of the arrangement of various window sizes, the curved flying eaves and the utilization of glass material under eaves, this project interprets the Chinese architectural tradition appropriately.