Networking growth model has been widely considered, which has been an important strategy for family business growth. The selection and result of interorganizational network model of family business, which is a complex system of family involving firm, will be significantly affected by the dimensions and contents of family involvement. However, relatively little research has been conducted. Based on the literature research on family business network, this paper tries to theoretically explore the effect and mechanism of family involvement (different dimensions of family involvement) on networking process and networking result of family business. The conclusions will be helpful to direct the networking growth of family business, especially to Chinese family business.