The utility model discloses a toothbrush that contains narrow spectrum LED red, the electric iron comprises a handle, in being connected with, establishes by the handle circuit module's brush -holder stud, the surface of brush -holder stud is provided with the control switch who is connected with the circuit module electricity, in being connected with, the upper end of brush -holder stud establishes LED emitting diode's brush head, LED emitting diode is connected with the circuit module electricity, the middle part and the corresponding position of LED emitting diode of brush head are provided with the light trap, follow the periphery of light trap is provided with the cyclic annular brush hair of being connected with controlling means. The utility model discloses multiplicable leukocytic activity and growth factor's release improves the microcirculation of periodontal harm tissue, is showing the gum index that reduces in the periodontitis, can reach effective anti -inflammatory effect.