An embroidering machine includes a base, an embroidery needle moved reciprocally along a path, an embroidery frame on which a work piece to be embroidered is held, a movable frame provided indirectly or directly on the base and mounting thereon the embroidery frame, the movable frame being driven to transverses the path of the reciprocal movement of the embroidery needle, a wireless affixed to the embroidery frame, the wireless tag storing therein frame information relating to the embroidery frame which is to be selected depending on the work piece to be embroidered, and a receiving device for reading the frame information stored in the wireless tag, the receiving device being provided on the base in immovable manner.