The invention discloses a metallized film self-healing device for alternating current and direct current compound voltage. The device comprises a direct current voltage module, an alternating currentvoltage module and a self-healing generation module; the direct current voltage module is used for outputting direct current voltage with adjustable magnitude, the alternating current voltage module is used for outputting alternating current voltage with adjustable amplitude and frequency, and the self-healing generation module is used for performing self-healing breakdown under the direct currentvoltage or alternating current voltage; the self-healing device is low in cost, convenient to operate, small in output voltage wave deformation, and capable of improving the self-healing parameter measuring accuracy; direct current voltage and alternating current voltage are applied to the metallized film separately, the sequence, amplitude, frequency and boosting rate of applied voltage of different types can be adjusted independently, and the device is of a great significance in researching the influence of space charges on metallized film self-healing characteristics.