Resistance-increasing large-deformation anchor rod/cable

The resistance-increasing large-deformation anchor rod/cable comprises an anchor rod/cable body, a resistance-increasing sleeve and a resistance-increasing separation rod, the resistance-increasing sleeve is located at a hole opening of an anchor hole, the resistance-increasing sleeve comprises a near-end cylinder and a far-end cylinder which are in threaded connection, the inner wall of the near-end cylinder is provided with a plurality of gradually-changing grooves evenly distributed in the circumferential direction of the near-end cylinder, and the width of the gradually-changing grooves is gradually reduced from the far end to the near end; the anchor rod/cable body comprises a first anchor rod/cable body and a second anchor rod/cable body, the far end of the first anchor rod/cable body is anchored to the bottom of the anchor hole, and the near end of the first anchor rod/cable body is restrained in the far-end barrel in a counter-force mode. A pre-tightening nut is arranged, prestress loading can be achi