The present invention relates to an apparatus for bending a glass sheet and a method for bending a glass sheet including an apparatus and a method for conveying a glass sheet, and it aims at producing with good efficiency a glass sheet of high quality, having complicated configuration.The method for bending a glass sheet comprises a step of placing a heated glass sheet on an inner mold with a tilting mechanism arranged at an inner side of a forming ring with a tilting mechanism, the forming ring being provided with a fixed frame and a movable frame, to thereby preform the glass sheet, a step of transferring the glass sheet preformed on the inner mold with a tilting mechanism onto the forming ring with a tilting mechanism and a step of pressing the glass sheet with a predetermined forming plane of the forming ring and tilting the movable frame, wherein the step of preforming the glass sheet includes a step of preforming the glass sheet placed on the inner mold by tilting a movable frame of inner mold pivoted at an end of a fixed frame of inner mold provided in the inner mold.