The utility model discloses an electric automobile high voltage distributor box with common mode interference inhibit feature, including the positive interface of battery of power battery anode output, the battery burden interface of power battery negative terminal output, the positive interface of insulating detector, insulating detector burden interface, the positive interface of DCDC, DCDC burden interface, the positive interface of machine controller, machine controller burden interface, the positive interface of air conditioner, air conditioner burden interface, electronic positive interface, electronic negative interface, the positive interface of electricity defrosting, electricity defrosting burden interface, three -terminal electric capacity inhibitor, preliminary filling electrical apparatus and the main contactor etc. Of turning to of turning to. The utility model discloses can effectively restrain the common mode interference that each load end direct current busbar voltage ripple current caused, can prevent effectively that the reverse excessive pressure that this moment machine controller or any one load leads to from strikeing.