The utility model discloses a strain clamp insulation guard shield anti -shedding buckle relates to overhead line insulationization technical field. A strain clamp insulation guard shield anti -shedding buckle, including the buckle, the buckle includes that first insulation protects cover body, the 2nd insulation guard shield portion and wire portion, first insulation protects and sets up the cardboard on the cover body, first insulation protects cover body inside and sets up first hole, first insulation protects and sets up the recess on cover body's the pipe wall, set up the spring in a plurality of recesses, the spring is kept away from the one end that first insulation protected the cover body pipe wall and is set up flexible piece, the inside second hole that sets up of the 2nd insulation guard shield portion, the inside third hole that sets up of wire portion, the buckle bottom sets up the opening, set up first rivet hole on the cardboard, set up the second rivet hole on the pipe wall of wire portion. The utility model has the advantages of the utility model discloses can strengthen two insulation guard shield's connection adaptation, stability to prevent in the middle of insulation guard shield landing to the circuit.