The present invention relates to a method for producing a cut product and a system for producing a cut product. According to an aspect of the present invention, a method for producing a cut product is provided, the method comprising: a non-defective product calculation step for calculating the number of non-defective products and a non-defective product ratio for unit products to be cut from each material on the basis of information on defects on the material; and a material selection step for selecting, on the basis of the planned production quantity and the calculated number of non-defective products for the unit products, one or more materials which allow the number of non-defective products for the unit products to be equal to or greater than the planned production quantity.