Disclosed is a driving apparatus of an embroidery frame of a sewing machine in which a driving unit of a sewing frame reciprocates on an X- and/or Y-axis fixed frames, installed to a beam-body of the sewing machine so that a uniform driving force can be transmitted to the embroidery frame, inferior embroidery caused by vibration can be prevented, a size of the sewing machine is reduced, and a high-speed operation is enabled. The apparatus includes an embroidery frame driving unit having the embroidery frame to fix an object and placed on a table of the sewing machine, and a Y-directional movement mechanism to move the frame driving unit in the Y-direction. The Y-directional movement mechanism includes a fixed frame having gear teeth, and an embroidery frame driving unit installed on the fixed frame engaged with the gear teeth to reciprocate the frame driving unit in the Y-direction.