Started from the microbodies of real estate market, this paper supposed real estate price is mainly determined by the bodies' market behaviors and related interactions, while the demanders in real estate market are heterogeneous. and local government and central government are with different purposes in regulating the market. For these considerations above, this paper constructed a real estate price deterministic model, and conducted a numeric simulation. The main findings include: the price fluctuation of real estate market has chaotic charact...