A plasma assisted high energy ball milling device, comprising: a vibrating high energy ball milling main engine in the form of a double-cylinder vibrating mill or an eccentric vibrating mill, an external cold field plasma power supply, a discharge ball milling tank comprising a connecting cylinder, a front cover, a rear cover, and a plasma power supply negative grounding electrode connected to the discharge ball milling tank, a discharge electrode bar in the form of a cylindrical rod, wherein the discharge electrode bar is composed of an inner conductive core and an outer insulation layer made of high purity alumina ceramic material; the inner conductive core, as an electrode for plasma discharge, is connected to a plasma power supply positive high-voltage electrode, and the outer insulation layer is present as a discharge dielectric barrier layer; a controllable atmosphere system and a cooling system, characterized in that: the inner conductive core is made of iron or copper; and wherein the device further comprises a metal sleeve with meshes, being located between the electrode bar and the ball milling tank, the grinding ball is located between the sleeve and the ball milling tank, the ball milling tank is connected to a negative electrode of the plasma power supply, and wherein the ball milling tank, the grinding ball and the sleeve are electrically connected and form an electrode of the plasma discharge. a vibrating high energy ball milling main engine in the form of a double-cylinder vibrating mill or an eccentric vibrating mill, an external cold field plasma power supply, a discharge ball milling tank comprising a connecting cylinder, a front cover, a rear cover, and a plasma power supply negative grounding electrode connected to the discharge ball milling tank, a discharge electrode bar in the form of a cylindrical rod, wherein the discharge electrode bar is composed of an inner conductive core and an outer insulation layer made of high purity alumina ceramic material; the inner conductive core, as an electrode for plasma discharge, is connected to a plasma power supply positive high-voltage electrode, and the outer insulation layer is present as a discharge dielectric barrier layer; a controllable atmosphere system and a cooling system, characterized in that: the inner conductive core is made of iron or copper; and wherein the device further comprises a metal sleeve with meshes, being located between the electrode bar and the ball milling tank, the grinding ball is located between the sleeve and the ball milling tank, the ball milling tank is connected to a negative electrode of the plasma power supply, and wherein the ball milling tank, the grinding ball and the sleeve are electrically connected and form an electrode of the plasma discharge. the inner conductive core is made of iron or copper; and wherein the device further comprises a metal sleeve with meshes, being located between the electrode bar and the ball milling tank, the grinding ball is located between the sleeve and the ball milling tank, the ball milling tank is connected to a negative electrode of the plasma power supply, and wherein the ball milling tank, the grinding ball and the sleeve are electrically connected and form an electrode of the plasma discharge.