我国的房地产市场是随着城市经济体制改革不断深化和住房商品化进程的逐步推进发展起来的，房地产业在国民经济总体格局中日益发挥着重要作用。但由于现阶段规范市场行为的政策法规尚不配套，房地产市场发育不健全，出现了市场“大起大落”现象。“优胜劣汰，适者生存”，这是 China’s real estate market is developed with the deepening reform of the urban economic system and the commercialization of housing. The real estate industry is playing an increasingly important role in the overall national economy. However, due to the fact that the policies and laws governing the market behavior at the present stage are not yet complete, the development of the real estate market is not perfect and the phenomenon of “ups and downs” appears in the market. “Survival of the fittest, survival of the fittest,” this is