A non-aqueous electrolyte secondary battery negative electrode comprising a negative electrode active material layer on a surface of a current collector; wherein the negative electrode active material layer includes a non-aqueous electrolyte secondary battery negative electrode material in the form of particles that are not bound to each other by a binder; wherein the non-aqueous electrolyte secondary battery negative electrode material comprises: a core portion including carbonaceous negative electrode active material particles, and a shell portion including a polyimide and silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles, wherein the polyimide has an imidization ratio of 60% or higher; wherein a value of a ratio of a volume average particle size of the silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles with respect to a volume average particle size of the carbonaceous negative electrode active material particles is 0.001 to 0.1, the volume average particle size being determined by a laser diffraction measurement method; and wherein a content of the silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles with respect to 100% by mass of a content of the carbonaceous negative electrode active material particles is 2% to 20% by mass. wherein the negative electrode active material layer includes a non-aqueous electrolyte secondary battery negative electrode material in the form of particles that are not bound to each other by a binder; wherein the non-aqueous electrolyte secondary battery negative electrode material comprises: a core portion including carbonaceous negative electrode active material particles, and a shell portion including a polyimide and silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles, wherein the polyimide has an imidization ratio of 60% or higher; wherein a value of a ratio of a volume average particle size of the silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles with respect to a volume average particle size of the carbonaceous negative electrode active material particles is 0.001 to 0.1, the volume average particle size being determined by a laser diffraction measurement method; and wherein a content of the silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles with respect to 100% by mass of a content of the carbonaceous negative electrode active material particles is 2% to 20% by mass. a core portion including carbonaceous negative electrode active material particles, and a shell portion including a polyimide and silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles, wherein the polyimide has an imidization ratio of 60% or higher; wherein a value of a ratio of a volume average particle size of the silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles with respect to a volume average particle size of the carbonaceous negative electrode active material particles is 0.001 to 0.1, the volume average particle size being determined by a laser diffraction measurement method; and wherein a content of the silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles with respect to 100% by mass of a content of the carbonaceous negative electrode active material particles is 2% to 20% by mass.