Company control right is a key question in corporate governance.This paper selects ROE and Tobin's Q as proxy variables of the corporate governance's effects,classifises the sample into two groups according to their concentration in control right,aims to revealing the influences of the difference in control right on the corporate governance by empirical analysis.The results show: ROE is negative correlative with the concentration of control right,in the high concentration sample,ROE is positive correlative with the net asset per share when the control right is high concentrate,and ROE is positive correlative with size of broad when the control right is nonconcentrate.