A high strength member comprising a bending ridge line portion formed from a steel sheet, the member having a tensile strength of 1470 MPa or higher, a residual stress of 300 MPa or lower in an end surface of the bending ridge line portion, whereby the residual stress is determined according to the description, a critical applied stress measured according to the method specified in the description of equal to or higher than the yield strength multiplied by 1.10, and a Vickers hardness (HV) of 200 or higher and 450 or lower in the end surface of the bending ridge line portion, wherein the steel sheet has a chemical composition containing, by mass%, C: 0.17% or more and 0.35% or less, Si: 0.001% or more and 1.2% or less, Mn: 0.9% or more and 3.2% or less, P: 0.020% or less, S: 0.0010% or less, Al: 0.010% or more and 0.20% or less, N: 0.010% or less, and optionally one or more of Sb: 0.001% or more and 0.10% or less, B: 0.0002% or more and less than 0.0035%, Nb: 0.002% or more and 0.08% or less, Ti: 0.002% or more and 0.12% or less, Cu: 0.005% or more and 1% or less, Ni: 0.005% or more and 1% or less, Cr: 0.01% or more and 1.0% or less, Mo: 0.01% or more and less than 0.3%, V: 0.003% or more and 0.5% or less, Zr: 0.005% or more and 0.20% or less, W: 0.005% or more and 0.20% or less, Ca: 0.0002% or more and 0.0030% or less, Ce: 0.0002% or more and 0.0030% or less, La: 0.0002% or more and 0.0030% or less, Mg: 0.0002% or more and 0.0030% or less, and Sn: 0.002% or more and 0.1% or less, and a balance of Fe and incidental impurities; wherein the steel sheet has a microstructure, in which a total area fraction of one or both of bainite containing carbides having an average grain size of 50 nm or less and martensite containing carbides having an average grain size of 50 nm or less is 90% or more. a tensile strength of 1470 MPa or higher, a residual stress of 300 MPa or lower in an end surface of the bending ridge line portion, whereby the residual stress is determined according to the description, a critical applied stress measured according to the method specified in the description of equal to or higher than the yield strength multiplied by 1.10, and a Vickers hardness (HV) of 200 or higher and 450 or lower in the end surface of the bending ridge line portion, wherein the steel sheet has a chemical composition containing, by mass%, C: 0.17% or more and 0.35% or less, Si: 0.001% or more and 1.2% or less, Mn: 0.9% or more and 3.2% or less, P: 0.020% or less, S: 0.0010% or less, Al: 0.010% or more and 0.20% or less, N: 0.010% or less, and optionally one or more of Sb: 0.001% or more and 0.10% or less, B: 0.0002% or more and less than 0.0035%, Nb: 0.002% or more and 0.08% or less, Ti: 0.002% or more and 0.12% or less, Cu: 0.005% or more and 1% or less, Ni: 0.005% or more and 1% or less, Cr: 0.01% or more and 1.0% or less, Mo: 0.01% or more and less than 0.3%, V: 0.003% or more and 0.5% or less, Zr: 0.005% or more and 0.20% or less, W: 0.005% or more and 0.20% or less, Ca: 0.0002% or more and 0.0030% or less, Ce: 0.0002% or more and 0.0030% or less, La: 0.0002% or more and 0.0030% or less, Mg: 0.0002% or more and 0.0030% or less, and Sn: 0.002% or more and 0.1% or less, and a balance of Fe and incidental impurities; wherein the steel sheet has a microstructure, in which a total area fraction of one or both of bainite containing carbides having an average grain size of 50 nm or less and martensite containing carbides having an average grain size of 50 nm or less is 90% or more. <EOS>