| As an important tool for investment analysis and decision making, accounting information quality is the focus of attention from beginning to end. The financial issues which involved the accounting information quality are part of the corporate governance system. Therefore, there must be an intrinsic link between the two. The ownership structure is the property rights foundation of corporate governance structure, the accounting information quality will inevitably be affected by the ownership structure. Based on this, we selected the impact of ownership structure on the quality of accounting information for research.This paper adopts the method of combining normative research and empirical research. In theory research part, explains the related concepts and theoretical basis. Then theoretically analyzed the influence of the ownership concentration, ownership balancing degree, nature of equity characteristic three aspects for the quality of accounting information. In empirical research, this paper selects 35 "A + H" shares cross-listed companies’ for nearly 3 years data as valid samples, also selects 35 pure A shares of listing Corporation for matching study, and in accordance with the principle of one-for-one. Combined the earnings management system level as variable quatity of accounting quality and the modified mode of Jones, the manipulated accrual profit can be estimated. Based on the measurement of above mentioned, the empirical study of multiple regression is finally built.The results of this study shows that cross-listing improve the relationship between ownership structure and accounting information quality to some extent. For the proportion of the first shareholder, the balance degree of equity, the proportion of state-owned shares, and the proportion of circulating shares indicators in ownership structure, the cross-listing plays a significant positive regulatory role on the correlation of ownership structure and accounting information quality; For the proportion of management shareholding indicators, cross-listing does not play a significant regulatory role on the correlation of ownership structure and accounting information quality. The results indicate that cross-listing behavior to some extent improved the relationship between ownership structure and accounting information quality. Finally, according to the conclusion, proposals for cross-listed company’s specific situation. |