A glass plate bend-breaking machine includes a flexible endless belt on which a glass plate is placed; a supporting mechanism for supporting the glass plate through the endless belt; a glass plate receiving device disposed below the endless belt and having a glass plate receiving surface for receiving the glass plate through the endless belt and a recess surrounded by the glass plate receiving surface; a moving device for moving the glass plate receiving surface of the glass plate receiving device; a press-breaking device disposed above the endless belt and having a pressing surface for press-breaking the glass plate; and a moving device for moving the pressing surface of the press-breaking device.