Since the 1980s, the defect of same professions and same products between large and small enterprisces, and, among the samll and medium - sized enterprises(SME), has lowered the competitive force of China’s industry as a whole, restrained the SME from a good development way. WTO and economic globalization bring more opportunities and condition than challenges to SME for its restructuring. According to this thesis, most of the SME should enter into the specialization and coordination system in which large enterprises is dominator, more than now SME should enter into the international specialization and coordination system, and others would choose the model of "aggregation". In the last part of this paper, the author makes a comparative analysis Of three models conducting representatively in Shenzhen, Wenzhou and "Suxichang" (south Jiangsu province). The author stresses that Naming should comprehensively use the advantage of" Shenzhen model" and" Suxichang model" for reference.
