Abstract: Green building is the appeal for friendly for environment and the base of the development of economical society. Also green building is necessary to ensure the sustainable development of the building industry, and it is the direction of building development in today’s word. According to the definition of green building in《Evaluation standard for green building》,it is the architecture which can improve utilization of resource( energy , land, water and materials) and cut down the emission in the whole life cycle of building. It can also protect the environment and reduce pollution to provide people with healthy, applicable and efficient use of space, coexisting with nature in , one-time construction costs of green building is higher, and more difficult to operate and maintain. Some of the buildings in our country are still in the traditional design phase, aiming to satisfy people’s basic needs. Therefore, in the progress of constructing green buildings and improving the quality of them, it will bring certain increased construction cost. Cost differs from the quality of green building and building standards. In order to promote the construction of green building, we should take the economical efficiency of green building into consideration, and bring the guide of green building cost into full play. Besides, it is necessary to manage their life-cycle cost.我自己翻译的 !