Spinning separation type bottle cap

The utility model provides a spinning separation type bottle cap which comprises an upper cap, a bolt and a material storage barrel, a tearing part is arranged in the material storage barrel, a clamping groove used for fixing the bolt is vertically formed in the inner wall of the material storage barrel, the upper cap comprises a cap buckled on the material storage barrel and a rotating column arranged in the cap and stretching into the material storage barrel to be matched with the bolt, and the rotating column is connected with the tearing part. The outer wall of the circumferential side of the rotating column is provided with a clockwise spiral downward first convex edge, the plug pin comprises a bent plate with an arc-shaped section and matched with the outer periphery of the rotating column, a connecting block is vertically arranged on the side, away from the rotating column, of the bent plate, and a clamping block matched with the clamping groove in an inserted mode is vertically arranged on the side, a