The influence of acoustic parameters and grinding conditions on grinding temperature in ultrasonic grinding nano-ziconia ceramic workpiece was discussed by using metal-bonded diamond grinding wheel dressed by diamond dresser withassistance of elliptic ultrasonic vibration. The experimental results showed that applying the diamond grinding wheel dressed with assistance of elliptic ultrasonic vibration to ultrasonic grinding ZrO2 resulted in a relatively low grinding temperature compared with the one dressed in a traditional way. The dressing depth had less influence on the grinding temperature than the other dressing parameters. The grinding depth had a great influence on the grinding temperature, while the wheel rotation speed had a little one on the grinding parameters. Furthermore, the abrasive grains vibrated ultrasonically in grinding, which changed the grinding conditions and heat emission conditions, and weakened the influence of wheel topography on the grinding temperature. So, the grinding temperatures of the two dressing method have little difference and their descent gradients are approximate.