In order to solve the Agency Cost accompanied with the separation of ownership and management, corporate governance bring forward some kinds of inspection patterns. One of these patterns called shareholder inspection has further become the trend of shareholder activism. The shareholder activism not only enhancing and innovating shareholder’s rights, but also setting a limit of exercising shareholder’s rights to avoid the abuse of shareholder. Therefore, forming the range and limit with a dilemma between strengthening and restriction. The topic of this paper will focus on the exercising boundaries of rights about right to vote in shareholders’ meeting, right access to information and right of extemporary motion. In addition, expecting to clarify the restriction when exercising above rights. Moreover, this paper will propose a suggestion toward current legislation by investigating with case study research, documentary analysis, and comparative research among the legislation of United States, Japan, and Taiwan.