The utility model discloses a novel medical bone piece fixed steel wire, including the steel wire main part, equidistantly in the steel wire main part evenly wear to establish to be fixed with the fixed body of a plurality of limited contacts, the surface loop form equipartition of the fixed body of limited contact has and a plurality ofly passes the antiskid of direction unanimity with the steel wire main part, the utility model discloses can, implant the fracture piece after restoring to the throne, limited contact through the fixed body of limited contact is fixed, can avoid the annular oppression to the periosteum, the blood supply of bone piece has been protected, the antiskid of the fixed body surface face of limited contact simultaneously can prevent the slip of steel wire, fixation with steel wire's inefficacy has been avoided, through fixing the protection that reaches the blood supply to good the reseing of fracturing, the healing that can fracture with higher speed, reduce the probability that fracture delay healing and bone do not link, prevent that the internal fixation became invalid, make patient can carry out the function rehabilitation training in advance, the present invention has obvious economical and social benefits.