股东积极行动对美国乃至世界各国公司治理产生了深远影响。它对于改善公司治理，提高公司绩效具有十分重要的意义。近年来政府监管部门出台了一系列促进机构投资者发展的政策和措施，我国机构投资者也出现了大规模增长，那么我国机构投资者是否参与了公司治理呢？如果有，又对上市公司治理产生了怎么样的影响呢？本文主要通过典型案例分析的方法，对我国机构投资者参与公司治理的实践进行了研究。

Institutional activism has great impacts on the corporate governance of listed companies in America and even the whole world. It plays an important role in improving corporate governance and firm performance. In recent years, the government has introduced some policies that develop institutional investors and the scale of the institutional investors develops greatly. However, it is uncertain whether institutional investors play a governance role or not. If it is, what are the impacts on corporate governance? By the case analysis, this paper aims to study on the institutional activism in listed Chinese companies.