A match plate mold-producing apparatus is provided with at least a pair of molding flasks for an upper and a lower sand mold. The pair of molding flasks is alternately positioned in a first mold-forming station in which a match plate carrying thereon a pattern or patterns is vertically held between a pair of squeezing devices movable toward and away from one another along a horizontal axis, and in a second mold-removing station in which mold-jointing operation and mold-removing operation are carried out by cooperation of a vertically movable flask-support device, a vertically movable mold-support device and a vertically movable mold-removing device.