A kind of brush head improvement of electric toothbrush, to overcome vibration-type electric toothbrush to sense of discomfort caused by what oral cavity, it includes an electric toothbrush ontology, and one be incorporated in electric toothbrush ontology brush head, the brush head has a body of rod, and one is connected to the head of body of rod one end, one clump of bristle for being incorporated in head front, and one be coated on the head back side flexible glue layer, flexible glue layer and the privileged site that may be implemented in the body of rod. Thereby, the brush head improvement of this creation electric toothbrush can collide sense of discomfort caused by tooth by the position that flexible glue layer prevents other than bristle, reach and more attain comfortable effect.一種電動牙刷之刷頭改良，用以克服震動式電動牙刷對於口腔所造成的不適感，其包括一電動牙刷本體，及一結合在電動牙刷本體的刷頭，該刷頭具有一桿體，一連接在桿體一端的頭部，一叢結合在頭部正面的刷毛，及一披覆在頭部背面的軟膠層，軟膠層並可實施在桿體的特定部位。藉此，本創作電動牙刷之刷頭改良，能通過軟膠層預防刷毛以外的部位碰撞到牙齒所造成的不適感，達到更臻舒適的效果。
