The paper researches entrepreneurship communication mechanism by a case of farming market of retailer necessity entrepreneurship and a comparison of business network, consulting network and material supporting network among the whole network using social network analysis method with related cohesive subgroups analysis. The results show that all networks have slim density and weak structure. As for different subgroups, the entrepreneurial actors show strong homogeneity. For business and consulting networks, the formation of subgroups are based on recognition of business; while for the material ...