Zhejiang is a higher degree of market area. In Zhejiang Province the market throughout the process of spontaneous emergence of the phenomenon of industrial clustering. Yiwu small commodity manufacturing and specialized market concentration is one typical case. The author tries to analyze the status of Yiwu, the accumulation of the manufacturing sector, take a special industrial development model Yiwu, and then found to Yiwu Small Commodity Market in the core of the industry and markets division of collaborative networks of specialized industrial agglomeration economy to build the core of the professional market competitiveness, speed up the market to upgrade the professional play a significant role in promoting; diversification of industrial clustering effect on the positive role of the professional development of the market is relatively obvious, but the formation of excessive competition is detrimental to the market, namely, a certain negative impact on industrial agglomeration
KEYWORD：Industry agglomeration， Specialized market， Small commodity market of Yiwu
