Through an introduction to the definition, features and characteristics of preferred stock, and an analysis of the conflict of interests among class shareholders, which gives rise to the need for the protection of preferred shareholders, as well as a study of the legislation and cases in relation to preferred stock, this paper seeks to .

Exploring the update of shareholders representative litigation stipulated in the Chinese Company Law;

On the settlement rules for shareholder derivative action;

The paper firstly discusses the agency relationship chains of all stockholders and managers in our modern enterprises by stockholder meeting,and then analyzes present agency situation.

In the modern stock system enterprises,the ownership and the operation right are separated,since the differences between stockholders and operators,such as the aim,the asymmetry about information,they conflict of interest,so they need to set up the control system and try to make it perfect.

To allow stockholders to entrust others with voting rights,the general rule of national legislation in the world.

Study On the Appraisal Right of Dissentient Shareholders;

On a number of issues in the litigation of shareholders;

On the Cognizance of Shareholders Status;

Research on the Privileged Allocation to Stockholders of Limited Corporation;

The internal supervision mechanism is to use the control function of stockholder committee and supervisor committee; the external supervision emphasizes the company acquisition.