An ultrasound emission device includes an ultrasound emission unit that emits an ultrasound, a drive unit that drives the ultrasound emission unit, and a support unit that supports the ultrasound emission unit and the drive unit so as to be installed in a human body. The ultrasound emission unit has a shape to be installed in an external auditory canal of the human body. The support unit has a shape to be installed in an auditory capsule of the human body. The ultrasound emission unit has a through-hole installed in order to transmit a sound to an eardrum of the human body.
