Analysis was made to the tracking accuracy requirements of airborne laser weapon.Taking a typical laser communication motor model as the object of control,a high-accuracy controller was designed by using compound-axis tracking control technology and active disturbance rejection control theory,which can satisfy accuracy requirement of airborne laser weapon.Then,combined with engineering practice,the controller was simplified and improved by omitting the tracking-differentiator and changing the nonlinear control law and extended state observer into linear structure.Simulation results show that the designed controller can satisfy the angle tracking accuracy of coarse and fine tracking phases,and exhibits good flexibility and strong robustness against external disturbance and parameter uncertainty．