There is provided an electric toothbrush with which teeth can be brushed in a relaxed pose while imperfect brushing is suppressed.In an electric toothbrush including: a body portion that is gripped by a hand during toothbrushing; and a brush component serving as an intraoral insertion portion inserted in a mouth cavity during the toothbrushing, the brush component including a brush at a leading end thereof, the brush component is inclined onto a rear surface side of the brush from the leading end toward the body portion, and a leading end portion of the brush component is located in a vicinity of an extended line (alternate long and short dash line) of a virtual line that connects centroids of sectional shapes perpendicular to a longitudinal direction in the body portion.