The invention provides a numerically-controlled quilter comprising a frame body, a quilt supporting frame and an intelligent control platform. Rails are arranged on the left side and the right side of the upper side surface of the frame body; rectangular groove holes A are formed in the left side and the right side of the front side of the upper side surface of the frame body; transmission wheels A are fixed in the rectangular groove holes A in the left side and the right side of the front side of the frame body; supports are arranged on the front side and the rear side of the upper side surface of the frame body; the left side and the right side of the upper side surface of each support are provided with rectangular groove holes B; support cross beams are fixed in the rectangular groove holes B of the supports; the quilt supporting frame is arranged on the support cross beams; a transmission shaft is arranged on the rear side surface of the frame body; a stepping motor is arranged on the left side of the rotating shaft; transmission wheels B are arranged at the two ends of the transmission shaft; transmission belts A are arranged between the transmission wheels B and the transmission wheels A. The numerically-controlled quilter is high in working efficiency, enables the quilt frame to be adjusted, and saves manpower and time.