This study is to explore the impact of earnings management on the stock liquidity of the corporation with financial constrain and investigate the mediation effect of financial constraint. The empirical results from the stocks of China A share indicate the earnings management can significantly decrease the stock liquidity. These results imply that the corporation suffered by financial constraint to use earnings management can induce stock liquidity to become decrease. The findings of the study can bring the benefit for the corporation to improve their governance and financing decision.