The invention discloses a shore bridge trolley lifting appliance fine adjustment shifting system. The system comprises a mobile trolley for connecting with a lifting appliance, trolley moving devicesand a mobile trolley rail laid on a bottom cross beam of a shore bridge trolley; the mobile trolley comprises a trolley rack and a wheel set, the trolley track is a polygon frame, the wheel set is arranged below the trolley rack, and is fixedly connected with the trolley rack, the wheel set is arranged on the mobile trolley rail in a sliding manner, each trolley moving device comprises a motor, aspeed reducer, an electric push rod, a support and a connecting base, the motors and the speed reducers are in shaft connection, the speed reducers are in shaft connection with the electric push rods,the electric push rods are connected with the connecting bases, the connecting bases are connected with a frame of the trolley rack, one ends of the supports are fixedly connected with the electric push rods, and the other ends of the supports are fixedly connected with the bottom cross beam of the shore bridge trolley. The loading and unloading efficiency of a container can be improved, meanwhile, the structure is stable, and the influence of external adverse factors can be resisted to a certain degree.