The present invention relates to the electric toothbrushes of toothbrush head, including handle portion to be equipped with driving, and brushhead bracket is connected to handle portion, and in addition to the respective area of bristles of each of several bristle supports, the swing mode for being alternatively mounted at toothbrush head support and driving is driven. According to the present invention, each bristle supports may be coupled to converters driving by respective drive connector. Each bristle supports of the invention have driving instrument, and the converters for being coupled to eccentric drive part drive, and can rotate further around the longitudinal axis. Configuration two is separately mounted to bristle supports can be by a kind of common drive converters around different displacement axis, being capable of better scrubbing action. Secondary movement is installed, so that cleaning action is not only by the mobile toothbrush in the bristle supports of relative displacement hair brush area.