The rising price mainly resulted from Mainland China Urban Development rapid economic growth, enhancing the purchasing power of the people and the rapid expansion of demand for real estate since the beginning of 2007. Prices rose expand. In particular, in response to the global financial Mainland crises, launched massive economic stimulus package and continuing accommodative monetary policy in 2009, coupled with speculation, more accelerated rises in real estate prices. After the financial crisis, whether there is a bubble in mainland prices crisis? After the global financial crisis, the China housing market bubble phenomenon increasingly obvious benefits; After taking measures to cool the housing market in the Mainland authorities, prices fell back significantly. Though resulted in substantial declines in real estate investment, the financial system and the capital increase in the credit risk and other adverse effects of tight. Hereby based on international prices resulting widespread use of the ratio of house prices and rental vacancy rates than the three indicators , such as judgments, Mainland bubble formation rates do have doubts, we provide the following several key findings:First, the high prices resulting ratio: major cities Beijing, Shanghai and other proceeds prices than in 2010 and more than 10 times higher than between 2.5 to 6 times the developing countries.Secondly, the ratio decreased rental rates: 2009, Beijing, Shenzhen, Shanghai and other big cities than in the general rental rates dropped to below 4% (below the threshold identified Mainland MLR4.5%).Thirdly, the vacancy rate is too high: There're seven provinces in mainland completed within the last five years the average vacancy rate of 20% for residential, luxury residential villas and suburban vacancy rate is as high as 60-90% in March, 2011. China government provides the four policies to solve the problems. 1. loose-monetary policy; 2. to allow local governments to issue bonds; 3. supporting fund for small businesses in the financial and taxation measures; 4. to expand affordable housing policies in response to four key measures to support the declining economy.