An electric toothbrush capable of greatly vibrating a brush with less vibration by a vibration source is provided. An electric toothbrush (100) includes a cylindrical case (20) and a vibration body (30) having one end located within case (20) and the other end provided so as to protrude through an opening (20a) at the tip of the case to the outside of the case and vibrating a brush (42) located in proximity to the other end. Vibration body (30) is provided with a vibration source (10) on the one end side and has an outer peripheral surface supported in the position close to the vibration source (10) side with respect to the midpoint in the longitudinal direction of vibration body (30).
