母子公司关系非规范化运作中 ,由于母公司的过度控制 ,损害了子公司小股东的利益 ,故必须研究探讨子公司董事义务和独立性的问题。在引进吸收外国公司制度的基础上 ,对股东派生诉讼进行设计 ,以填补我国公司法实质上没有建立的保护子公司小股东利益制度之空白 During the non-standardized operation of the parent-subsidiary relationship, due to the over-control of the parent company, the interests of the minority shareholders of the subsidiary are undermined. Therefore, it is necessary to study the issue of the directors’ obligation and independence of the subsidiary. On the basis of introducing and absorbing the foreign company system, this article designs the derivative action of the shareholder to fill in the blank of protecting the interest system of minority shareholders of the subsidiary which is not established in our company law