An ultrasonic nebulizer includes: a working tank in which an ultrasonic vibrator is incorporated and in which a working liquid is stored facing the ultrasonic vibrator； a medicine tank that stores a medicinal liquid, at least a bottom portion thereof being dipped in the working liquid； and a main body that includes an oscillation circuit that is to drive the ultrasonic vibrator. The medicine tank is configured to be detachable with respect to the working tank. The working tank is configured to be detachable with respect to the main body.
