An embroidery frame holding workpiece cloth for embroidery sewing includes a lower frame receiving a lower side of the workpiece cloth and having a cloth clamping side, an upper frame holding the workpiece cloth in cooperation with the lower frame between the frames and having a cloth holding side, a clamp mechanism pressing the upper frame against the lower frame and retaining the upper frame in a pressing state, and a hold assisting member enhancing hold of the workpiece cloth and detachably attached to the cloth holding side of at least one of the upper and lower frames.