After the reform of the housing market in 1998, the real estate Industry has developed rapidly and is closely related to various macroeconomic variables and capital markets in China. The paper first constructs the DSGE model which includes the real estate intermediary manufacturers, and then explores the influence mechanism and influence degree of the real estate Industry on the macro economy, and finally introduces the currency shock impact in the model, which can better simulate the real economic operating mechanism. The results show that there is a short-term and significant impact between the monetary policy and the real estate market, mainly in the price level, interest rates and other economic Indicators Indirectly affected. On the basis of considering the relationship between the real estate market and the macroeconomic factors, the paper puts forward the supervision strategy for the real estate market from three aspects: controlling the money supply, developing diversified financial products and strengthening the management of foreign capital inflow.