The present invention relates to a elongated bone impregnated hip screw (BIHS) for the treatment off fracture neck of fema, the screw comprising: a body having a distal end portion, a proximal end portion and an intermediate longitudinal cavity portion with a central longitudinal axis, a lock nut head at the distal end portion, wherein the lock nut head be removable to introduce a cancellous bone graft, and a screw thread contour at the proximal end portion of the body to drive and connect the ends of femur body and head through neck, wherein the intermediate longitudinal cavity portion includes a plurality of bores with undefined contour positioned circularly with asymmetrical distance apart, wherein the plurality of bores is for blood circulation between femur head and body with the assist of cancellous bone graft.