The present invention relates to a cartridge for a focused ultrasound device and a focused ultrasound device comprising same, the cartridge being capable of providing the focus of a focused ultrasound from the surface of skin down to a desired depth. The cartridge for a focused ultrasound device may comprise: a cartridge main body having formed therein a receiving space capable of receiving a medium therein; an ultrasound providing unit provided so as to be movable in one direction in the receiving space, and generating a focused ultrasound; a power transfer unit connected to one side of the ultrasound providing unit so as to transfer power thereto; and an actuator connected to the power transfer unit and rotating at a predetermined angle so as to move the power transfer unit upward or downward.
