Device for cutting metal plate

The present invention relates to a device for cutting a metal plate, comprising: a support part on which a metal plate is placed; first and second transfer frame parts positioned above and under the support part, respectively; a first cutting part which moves along the first transfer frame part and which includes a first saw blade part for cutting at least a part of the metal plate including the top of the metal plate by rotating; and a second cutting part which moves along the second transfer frame part and which includes a second saw blade part for cutting at least a part of the metal plate including the bottom of the metal plate by rotating. The present invention provides a device for cutting a metal plate, capable of cutting a metal plate without generating burrs on the cutting plane and without requiring secondary processing.