The invention discloses a small-size light guide plate conveying system and relates to the technical field of light guide plate conveying and machining. The small-size light guide plate conveying system comprises a fixing mechanism, a screw rod transmission mechanism and a rotating clamping mechanism. The fixing mechanism comprises a first rack. The screw rod transmission mechanism is installed onthe first rack of the fixing mechanism. The screw rod transmission mechanism comprises a rotating motor, an inductor, a high-speed precise screw rod, a guide rail, a sliding block, a wire groove anda second rack. The rotating clamping mechanism comprises an upper fixing plate, a fixing plate connecting pillar, a supporting plate, a belt, a rotating shaft, an air cylinder, a fixing plate, a fixing connecting rod, a lower fixing plate, a movable guide rail, an eight-claw gripper, a first rotating motor, a fixed guide rail, a movable rod and a second rotating motor. By means of the small-size light guide plate conveying system, manual colliding damage is reduced, and meanwhile labor cost is reduced. By means of the light guide plate conveying system, after large-size light guide plates aremachined on a site, traditional labor conveying is omitted.