The invention discloses a bean curd cake cutter, comprising a rack, a traverse table, a pressing and cutting power device, a cutter device, a finished product collecting container and a leftover material separating device, wherein the rack is used for monolithic support; all the directions of blade edges of a cutter group of the cutter device are upward; the cutter device is fixed on the rack and hangs in the air; the finished product collecting container is arranged below the cutter device; the pressing and cutting power device is arranged right above the cutter device and is fixed on the rack; the traverse table is arranged on the rack near the cutter device; a bottom plate of the traverse table is pulled toward the two sides in different directions from the middle position; a guide rail is arranged on the rack between the cutter device and the traverse table; and the leftover material separating device fixed on the rack is arranged on the peripheral outmost blades of the cutter device. The cutter can simultaneously cut multiple layers of bean curd cake blanks, has high production efficiency, can reduce the cost and the labor intensity of workers, realizes semi-automatic production and is suitable for mass bean curd cake production in the factories. The finished products of the bean curd cakes cut by the cutter are uniform in size.