For low-speed problem of high precision Opto-electronic (EO) servo-stabilized platform, the precision and performance are always affected by slip-stick, the reason of which is the non-linear friction. An approach of integral sliding mode variable structure controller is proposed, and a novel reaching rule is designed. Actual results of the system show that the presented controller can solve the problem of stability when system moving large range rapidly, eliminate ”creeping” phenomenon, and improve the dynamic and static quality effectively.