The invention discloses a switch feed box lifting device for a power strip assembling machine, the device comprises a lifting device, a feed box push-pull component and a feed box clamp component, the feed box clamp component is arranged on the upper end of a switch bracket of the lifting device, the feed box push-pull component is arranged on a side of the switch bracket, the lifting device comprises a servo motor, a motor mounting plate, a shaft coupling, a screw rod, a screw rod supporting seat, a screw rod, a screw nut, a nut bracket, guide sliding rails, switch feed boxes, a feed box mounting plate and fixed rods, the servo motor drives the screw rod to rotate, the two ends of the screw rod are fixed to a switch bracket through the screw rod supporting seat, the screw nut is arranged on the screw rod, the screw nut inserts to the nut bracket, the feed box mounting plate is arranged on the nut bracket, and the switch feed boxes are arranged on the feed box mounting plate. According to the above way, the structure of the device is compact, the device can perform automatic feeding process instead of using workers, the labor force is saved, and the production cost is reduced.