The utility model relates to a high strength friction welding (FW) aggravates drilling rod, by the body of rod, interior screwed joint, outer screwed joint constitutes, interior screwed joint's one end is equipped with the internal thread that is used for the jointed rod, the interior screwed joint transition cylindrical section of the interior screwed joint other end is connected with the one endof the body of rod through friction welded mode, the diameter of interior screwed joint transition cylindrical section is the same with the diameter of the body of rod, outer screwed joint's one endis equipped with the external screw thread that is used for the jointed rod, the outer screwed joint of outer screwed joint other end transition cylindrical section passes through friction weld's modeand is connected with the other end of the body of rod, the diameter of outer screwed joint transition cylindrical section is the same with the diameter of the body of rod, be equipped with wear -resistant belt on the partial excircle of body of rod interlude. The utility model discloses aggravating the comprehensive mechanical property that the drilling rod has effectively improved body and joint, having stand wear and tearly, corrosion -resistant, increased the anti -torque performance of inside and outside screwed joint and the body of rod, difficult fracture has effectively improved the life who aggravates the drilling rod, can be at repetitious usage under the abominable operational environment.