As headquarters of Toyota in China, client would put"energy-saving, environmental protection and sustainable development" concept into designing their new office. In each floor elevator hall, there is a different picture of the natural landscape as the exhibition wall, and then each floor has its own view. The main reception area is highly streamlined, which is divided into a reception, waiting, display and other functional areas. A vertical green wall is set in the waiting area with automatic irrigation system, meaning Toyota green development concept, while giving the entire space natural vigor. From 23th to 25th floor, there is a high window indoor balcony space. We arrange it as outdoor feeling plaza, available to leisure negotiate and relax. It becomes a supplement and enriches the fun and liveliness of the office space.