Method and apparatus for manufacturing glass plates

Disclosed is a method for manufacturing glass plates. The method comprises the following steps: a forming step for forming sheet glass from molten glass; a cutting step for cutting the sheet glass into glass plates having a predetermined size; a contaminant removal step for removing contaminants from surfaces of the cut glass plates; and a polishing step for polishing the surfaces of the glass plates to remove scratches from the surfaces of the glass plates after the contaminant removal step.