Nongmingong provides Labor Force in the Cities and Enterprises had been the Source of Economic Development. Since the Global Financial Crisis in 2008, As the Global Economic Downturn China's Economic System was the need to change. The Chinese Government has required the Development of New Power So Nongmingong was received the Attention. However Nongmingong do not have the Necessary Conditions for a Differentiation Hierarchy. First, the Differentiation Hierarchy of Nongmingong the biggest Factors that interfere is a Dualistic Hukou System. Dualistic Hukou system is limited Economic Resources of Nongmingong. Second, Nongmingong has almost no resources required for Differentiation Hierarchy. Nongmingong has almost no Organizational resources, From the perspective of Cultural resources, Nongmingong are mostly Middle School and there is no Technical Qualifications. So Nongmingong are mainly engaged in Physical Labor. From the perspective of Economic resources, the Recent Increase in the Wages of Nongmingong, but it is not enough Differentiation Hierarchy. Third, due to Obstacles to Nongmingong in China's Social and Economic Influence is limited. In order to Consumption Extension of Nongmingong must be expanded the Social Security System and must be reformed Hukou System. For Industrial Upgrading must be expanded Technical Education and must bed foster Skilled Workers.

• 김경환(부산대학교 중국연구소 박사후연수연구원)