中文摘要：

由企业集团母公司、子公司及关联企业作为内部网络成员，形成内部网络关系，并且从内部网络关系强度、独立董事以及关系型三个方面产生治理效应。以此为基础提出研究假设，构建实证模型，实证结果表明单个集团内部关系强度、独立董事及关联经理数量对集团的绩效产生了正向的治理效应，而关联交易频率、关联经理的任职数量与集团绩效不存在显著相关性。

英文摘要：

The mother company, the subsidiaries and the affiliated enterprises form the internal network. Interior network intensity, independent directors and the intermediate relationship bring the governance effect for the Business Groups. According to this, proposing the five assumptions, and construct the empirical model. The empirical analysis results show that the internal related intensity, the numbers of the independent directors and interlock mangers in one group have the positive effect on the group＇s governance performance, while the times of the related transaction and the number of posts of an interlock manger has little effect on it.