Using the data of questionnaire from 266 family businesses in Zhejiang and Chongqing et al., this paper mainly tests the main type, basic characteristics, construction methods, and compares from enterprise inside and outside angle of networking growth of family business. The statistical study indicates that family business keeps the relationship with other enterprise mainly through purchasing raw materials, purchasing machinery equipment, purchasing part and accepting order et al.; the relationship with other institutions mainly through technical consultation, debit-credit, management consultancy, consign product development; emphasizes the longrun relationship with other enterprise among industrial value chains, and the relationship with local government institutions and financial institution; build the networking ties mainly through friends and other ways, while less through family relation; networking growth modes are influenced by region, industry, organization structure, enterprise scale, power structure, entrepreneur characteristics and so on.