Green building is friendly environment, is the base for the development of economical society, the construction of sustainable development in today's world is building, the direction of According to the evaluation standard of green building in the definition of green architecture, green building is in the whole life cycle of building, the maximum energy saving resource (, land and water saving, section), environmental protection and pollution reduction provide people with healthy, apply and efficient use of space, and the natural harmonious coexistence of But the green building construction of the one-time high cost and low operation and Because China is part of the building is still in the traditional design phase, architectural goal or to meet the basic needs of the people, so that to set in green building construction, improve the quality of construction process, can bring certain construction cost, quality and construction of green architecture according to different criteria, cost cost is also So to promote the construction of green architecture to consider the economy and green building green building Engineering cost, it is necessary for its whole life cost