The invention discloses an ultrasonic fat reduction and body shaping machine that includes a treatment head (I) a wave source carrying apparatus (15) a mechanical arm(2) a treatment bed a lift cylinder body a touch screen (6) and control circuits (8). A menu for user selection operation is provided on the touch screen (6). The treatment head (1) is clamped in the wave source carrying apparatus (15 s as to be fixedly connected to the mechanical arm (2) as a whole. The mechanical arm (2) is fixedly connected to the lift cylinder..