A method for producing H-shaped steel, the method comprising: a rough rolling step; an intermediate rolling step; and a finish rolling step, wherein: the rough rolling step comprises: an edging rolling step of rolling and shaping a material to be rolled into a predetermined almost dog-bone shape; and a flat rolling step of performing rolling of a web part with the material to be rolled after completion of the edging rolling step rotated 90° or 270° by calibers configured to perform the flat rolling step; upper and lower caliber rolls (85, 86) of at least one caliber of the calibers configured to perform the flat rolling step comprise recessed parts (85a, 86a) configured to form a raised part at a middle of a web part of the material to be rolled, the recessed parts (85a, 86a) being provided at roll barrel length middle parts of the upper and lower caliber rolls; a side surface inclination angle α of the formed raised part is set to 30° or more, where the side surface inclination angle α is an angle formed between a direction perpendicular to a rolling pitch line and a side surface of the raised part as viewed from a rolling direction; the calibers configured to perform the flat rolling step further comprise a raised part eliminating caliber configured to reduce the raised part and roll and shape the web part almost flat, for the material to be rolled after being formed with the raised part; the calibers configured to perform the flat rolling step further comprise one or a plurality of widening calibers configured to perform widening rolling of the web part concurrently with the web part being rolled and shaped almost flat or after the web part is rolled and shaped almost flat in the material to be rolled. a rough rolling step; an intermediate rolling step; and a finish rolling step, wherein: the rough rolling step comprises: an edging rolling step of rolling and shaping a material to be rolled into a predetermined almost dog-bone shape; and a flat rolling step of performing rolling of a web part with the material to be rolled after completion of the edging rolling step rotated 90° or 270° by calibers configured to perform the flat rolling step; upper and lower caliber rolls (85, 86) of at least one caliber of the calibers configured to perform the flat rolling step comprise recessed parts (85a, 86a) configured to form a raised part at a middle of a web part of the material to be rolled, the recessed parts (85a, 86a) being provided at roll barrel length middle parts of the upper and lower caliber rolls; a side surface inclination angle α of the formed raised part is set to 30° or more, where the side surface inclination angle α is an angle formed between a direction perpendicular to a rolling pitch line and a side surface of the raised part as viewed from a rolling direction; the calibers configured to perform the flat rolling step further comprise a raised part eliminating caliber configured to reduce the raised part and roll and shape the web part almost flat, for the material to be rolled after being formed with the raised part; the calibers configured to perform the flat rolling step further comprise one or a plurality of widening calibers configured to perform widening rolling of the web part concurrently with the web part being rolled and shaped almost flat or after the web part is rolled and shaped almost flat in the material to be rolled. the rough rolling step comprises: an edging rolling step of rolling and shaping a material to be rolled into a predetermined almost dog-bone shape; and a flat rolling step of performing rolling of a web part with the material to be rolled after completion of the edging rolling step rotated 90° or 270° by calibers configured to perform the flat rolling step; upper and lower caliber rolls (85, 86) of at least one caliber of the calibers configured to perform the flat rolling step comprise recessed parts (85a, 86a) configured to form a raised part at a middle of a web part of the material to be rolled, the recessed parts (85a, 86a) being provided at roll barrel length middle parts of the upper and lower caliber rolls; a side surface inclination angle α of the formed raised part is set to 30° or more, where the side surface inclination angle α is an angle formed between a direction perpendicular to a rolling pitch line and a side surface of the raised part as viewed from a rolling direction; the calibers configured to perform the flat rolling step further comprise a raised part eliminating caliber configured to reduce the raised part and roll and shape the web part almost flat, for the material to be rolled after being formed with the raised part; the calibers configured to perform the flat rolling step further comprise one or a plurality of widening calibers configured to perform widening rolling of the web part concurrently with the web part being rolled and shaped almost flat or after the web part is rolled and shaped almost flat in the material to be rolled.