The utility model provides a tower crane and lifting hook position display system. The lower extreme of warning lamp support and one side fixed connection of quick -witted case, the upper end of warning lamp support is fixed with explodes the sudden strain of a muscle warning lamp, the lower extreme of stand and the opposite side fixed connection of quick -witted case, the upper end of stand is provided with solar cell panel, the lower part at quick -witted incasement is fixed to the battery, photoswitch or wireless remote control switch fix the upper portion at quick -witted incasement, laser emitter fixes on the warning lamp support, laser emitter and the mutual parallel arrangement of warning lamp support, connect by a wire electricity between solar cell panel and the battery, explode the sudden strain of a muscle warning lamp, connect by two electricity in the wire between laser emitter and the battery, photoswitch or wireless remote control switch has concatenated on the wire no. 2. Tower crane night operation when tower crane handling object, does not enable the floor construction personnel yet and sees clearly that the tower crane moves the movable rail mark even do not come back to can initiatively dodge, avoid causing the emergence of object strike or falling object accident. The collision between two adjacent tower crane forearms has been avoided.