A study on the wear of Quick-point grinding wheel was carried on. The wheel wear was found having great influence on grinding performance and grinding quality. After analyzed the wear process and mechanism in Quick-point grinding, it was found the wear rate was directly related to some factors such as wheel width, workpiece speed, feed rate and Quick-point grinding angle, and it was indirectly affected by wheel speed and cutting depth. By means of some wear criteria, the wheel wear was able to be predicted. Furthermore, a wear model in wheel’s accurate area has been built up.