Abstract: The present invention provides a dental implant jig, a dental implant jig set, a drill bar, and a drill bar set, which can safely and easily achieve accurate drilling at low costs. The dental implant jig according to the present invention is provided at a drill bar of a dental hand piece to act as a guide in position and/or direction of drilling for forming an implant fixture embedding hole, is integrated with a shaft interposed between an attachment portion on one side of the drill bar, which is attached to the hand piece, and a blade portion on the other side of the drill bar, rotates around the center of the shaft together with the shaft, and forms a guide portion that is provided on the outer side of the shaft concentrically with the shaft and has a larger diameter than the shaft.