Currently,　housing　market　in　China　exist　serious　asymmetric　information.　This　paper　from　the　house　price　and　house　quality　to　construct　the　reasonable　house　price　judgment　standard　and　deeply　analyze　the　game　of　the　house　price＇s　multi　Nash　Equilibrium　and　refined　sequential　equilibrium,　the　trend　of　the　market　equilibrium,　the　irrational　equilibrium　paths　create　under　Asymmetric　Information.　Finally,　give　conceive　of　the　government　incentive　price　economic　regulation,　and　use　the　game　model　to　identify　the　rational　housing　market　equilibrium　under　economic　optimized　regulation　and　give　the　industry　economic　regulation　method　and　suggestion.