The invention relates to a screw-threaded lithium battery cover cap. The screw-threaded lithium battery cover cap comprises an upper cover, wherein a gasket and an anti-explosion plate are mounted atthe bottom of the upper cover in sequence; the edge of the upper cover is packaged by the edge of the anti-explosion plate upwards; a current collection plate is mounted at the bottom of the anti-explosion plate; a seal ring is arranged below the current collection plate; the upper inner bottom surface of the seal ring and the lower inner bottom surface of the seal ring are packaged on the edge ofthe upper cover and the lower edge of the current collection plate respectively; the bottom of the current collection plate is welded with a power-off membrane and a lug; the middle part of the uppercover is raised upwards, a vertically downward inner hole is formed in the center of the bulge, and a screw thread is arranged on the inner wall of the inner hole.