In the existing system of administrative supervision of real estate, there are many deficiencies in urgent need to improve and perfect. To improve the protection of commercial residential building consumers' rights and interests, the government should abandon the interests of small groups, exercise public service functions fully; with the help of improving the market access system, real estate notice registration system, the system of real estate ads pre-review, information disclosure system against real estate developer, and the warranty insurance system for the construction quality, the protection of commercial residential building consumers' rights and interests are ensured as well as the development of real estate promoted healthy and orderly through establishing a multi-level, three-dimensional protection system of government regulation covering the entire society, making the case against the legitimate rights and interests of consumers reduce in the real estate transaction process.