Private ownership economy and marketing economy are important means of socialism economy development. The needed resources of private ownership economy are mainly provided by marketing economy; while, marketing economy are exerting external pressure in order to improve economic efficiency, show vitality and creativity to provide a broad stage, provide opportunities for economy leaps and bounds as well as the conditions for balanced economic development for private ownership economy. During the process of marketing economy, asymmetric information and incomplete, the widening income gap, the external no-economy, marketing economy will lead private ownership economy to the low effectiveness and credibility and influence the function of achieve economy common prosperity, as well as prompt the private ownership economy being privatized. Therefore; the development of private ownership economy can not keep away from marketing economy.