A structural member (100, 100A, 100B, 100C, 200) for an automobile body, comprising: a hat channel member that has a top sheet portion extending in a longitudinal direction, a pair of side wall portions extending via first corner portions formed at both end portions of the top sheet portion in a width direction, and a pair of flange portions extending via second corner portions formed at end portions of the pair of side wall portions on sides opposite to the first corner portions; and a joining member (120,120C,220) that has a pair of joining portions (121, 221) joined to the pair of flange portions of the hat channel member, and a top sheet facing portion (123, 223) facing the top sheet portion of the hat channel member, wherein a first bead (150, 150A, 250) extending in the longitudinal direction is formed on the top sheet facing portion (123, 223), wherein two or more second beads (160, 160B) extending in a direction intersecting the longitudinal direction are formed on the pair of side wall portions, wherein two or more of the first beads (150, 250) are formed in parallel in the width direction, wherein the first bead bulges inward from the top sheet facing portion in a cross section perpendicular to the longitudinal direction, and wherein the first bead is formed such that a center of the first bead in the width direction is positioned in a region from an inner end portion of the joining portion of the joining member (120,220) to a point having a separation distance of 1/4 of a width of the top sheet facing portion in the width direction in a cross section perpendicular to the longitudinal direction, or wherein the first bead is formed such that a boundary point between the first bead and the joining member is positioned in a region from an inner end portion of the joining portion of the joining member (120,220) to a point having a separation distance of 20 mm in a cross section perpendicular to the longitudinal direction. a hat channel member that has a top sheet portion extending in a longitudinal direction, a pair of side wall portions extending via first corner portions formed at both end portions of the top sheet portion in a width direction, and a pair of flange portions extending via second corner portions formed at end portions of the pair of side wall portions on sides opposite to the first corner portions; and a joining member (120,120C,220) that has a pair of joining portions (121, 221) joined to the pair of flange portions of the hat channel member, and a top sheet facing portion (123, 223) facing the top sheet portion of the hat channel member, wherein a first bead (150, 150A, 250) extending in the longitudinal direction is formed on the top sheet facing portion (123, 223), wherein two or more second beads (160, 160B) extending in a direction intersecting the longitudinal direction are formed on the pair of side wall portions, wherein two or more of the first beads (150, 250) are formed in parallel in the width direction, wherein the first bead bulges inward from the top sheet facing portion in a cross section perpendicular to the longitudinal direction, and wherein the first bead is formed such that a center of the first bead in the width direction is positioned in a region from an inner end portion of the joining portion of the joining member (120,220) to a point having a separation distance of 1/4 of a width of the top sheet facing portion in the width direction in a cross section perpendicular to the longitudinal direction, or wherein the first bead is formed such that a boundary point between the first bead and the joining member is positioned in a region from an inner end portion of the joining portion of the joining member (120,220) to a point having a separation distance of 20 mm in a cross section perpendicular to the longitudinal direction.