A permanent magnet embedment rotating electric machine, comprising: an annular stator, the stator defining a radial direction; a plurality of teeth arranged on an inner circumference of the stator, a slot being defined between each adjacent pair of the teeth; a plurality of coils, each coil being arranged in the corresponding slots; a rotor located inside of the stator, the rotor being rotatable in a rotation direction, the rotor defining a rotational axis, a virtual circumference about the rotational axis, and an outer circumference, wherein the outer circumference is alternately provided with a plurality of circumferential portions (19A, 19B) and a plurality of convex portions, the circumferential portions (19A, 19B) being included in the virtual circumference, each of the circumferential portions (19A, 19B) including a circumferential center, wherein the convex portions are located radially inward of the virtual circumference and bulge radially outward, each convex portion including first and second angle portions (H11, H12), and three straight lines (H1, H2, H3), which are connected to one another to define the first and second angle portions (H11, H12), straight lines each connecting the rotational axis to one of the circumferential centers being referred to as radial lines, straight lines each bisecting one of the convex portions being referred to as bisectors; and a plurality of permanent magnets (17A, 17B) embedded inside the rotor, each of the permanent magnets (17A, 17B) having a magnetic pole center; characterized by a plurality of magnetic flux blocking regions located on the rotor, one of the magnetic flux blocking region being located in a range between the radial line and the bisector adjacent to and preceding the radial line in the rotation direction, wherein the rotor has a plurality of accommodating holes, in each of which the permanent magnet (17A, 17B) is accommodated, and a plurality of openings configured to prevent a short circuit of a magnetic path, a pair of openings being provided on the ends of each accommodating hole, wherein the magnetic flux blocking regions are located radially outward of the accommodating hole and the openings, and wherein the circumferential portions (19A, 19B) and the virtual circumference have the same radius. an annular stator, the stator defining a radial direction; a plurality of teeth arranged on an inner circumference of the stator, a slot being defined between each adjacent pair of the teeth; a plurality of coils, each coil being arranged in the corresponding slots; a rotor located inside of the stator, the rotor being rotatable in a rotation direction, the rotor defining a rotational axis, a virtual circumference about the rotational axis, and an outer circumference, wherein the outer circumference is alternately provided with a plurality of circumferential portions (19A, 19B) and a plurality of convex portions, the circumferential portions (19A, 19B) being included in the virtual circumference, each of the circumferential portions (19A, 19B) including a circumferential center, wherein the convex portions are located radially inward of the virtual circumference and bulge radially outward, each convex portion including first and second angle portions (H11, H12), and three straight lines (H1, H2, H3), which are connected to one another to define the first and second angle portions (H11, H12), straight lines each connecting the rotational axis to one of the circumferential centers being referred to as radial lines, straight lines each bisecting one of the convex portions being referred to as bisectors; and a plurality of permanent magnets (17A, 17B) embedded inside the rotor, each of the permanent magnets (17A, 17B) having a magnetic pole center; characterized by a plurality of magnetic flux blocking regions located on the rotor, one of the magnetic flux blocking region being located in a range between the radial line and the bisector adjacent to and preceding the radial line in the rotation direction, wherein the rotor has a plurality of accommodating holes, in each of which the permanent magnet (17A, 17B) is accommodated, and a plurality of openings configured to prevent a short circuit of a magnetic path, a pair of openings being provided on the ends of each accommodating hole, wherein the magnetic flux blocking regions are located radially outward of the accommodating hole and the openings, and wherein the circumferential portions (19A, 19B) and the virtual circumference have the same radius.