The authors use the ideas and methods of the game theory to reveal that, under the condition of dissymmetrical information, it can't form an effective cooperative relationship among supervisor organization, the shareholders and the enterprises. In the capital market, we explain the cooperative conditions and determinants researched. Only through strengthening the force of punishment towards providing the false information and increasing the benefit received by providing the real information, the enthusiasm of the founders' providing the false information drops, and the necessity of the supervisor organization's checking decreases. Finally, we give some suggestions about the construction and consummating of the capital market of the enterprise.