Along with the development of system,the good faith acquisition of immovables exists in the continental law system country have been established in China in the new law,also stipulated in the system.But there exists the strict system,the system of public clients can maximize the dispute solution of real estate,in this case,the good faith acquisition of immovables exists is questioned the existence of necessity.Through the analysis of the two systems,the good faith acquisition of immovables exists the necessity of existence and applicable.