The invention provides a progressive automatic pad printing machine for printing inner containers of electric rice cookers. The machine comprises a frame, a rotary worktable device, a fixture component, an inner container rotating device, printing devices and a controller, wherein the rotary worktable device comprises a rotary worktable and a rotary worktable driver which is used for driving the rotary worktable to rotate and is arranged on the frame; the fixture component comprises a plurality of fixture pieces which are annularly arranged on the frame and are provided with positioning grooves; the inner container rotating device is arranged on the frame, is opposite to one fixture piece and comprises a clamping mechanism which clamps the inner containers on the positioning grooves and aclamping mechanism rotator which is arranged on the frame and drives the clamping mechanism to rotate; the printing devices are arranged on the two sides of the inner container rotating device respectively and are opposite to the corresponding fixture pieces; and the controller is electrically connected with the rotary worktable driver, the clamping mechanism, the clamping mechanism rotator and the printing devices respectively. The machine can improve the printing efficiency of the inner containers to reduce production cost.