A method for manufacturing a non-aqueous electrolyte secondary battery, the non-aqueous electrolyte secondary battery comprising: at least a negative electrode for a non-aqueous electrolyte secondary battery including a negative electrode mixture; a positive electrode for a non-aqueous electrolyte secondary battery; and an electrolytic solution including an electrolyte and a solvent, wherein the negative electrode mixture includes a negative electrode active material powder, the negative electrode active material powder includes a carbon-based material and a silicon-based material, a mixing ratio of the carbon-based material to the silicon-based material (carbon-based material (mass%)/silicon-based material (mass%)) is 90 mass%/10 mass% to 0 mass%/100 mass%, and a negative electrode potential at a point of a battery voltage of 0 V is 3.2 Vvs(Li/Li +) or less in deep charging at a current rate of 0.001 ItA reaching the battery voltage of 0 V, wherein a ratio of an electrolye concentration in the negative electrode mixture to an electrolyte concentration in the electrolytic solution present in the non-aqueous electrolyte secondary battery excluding the negative electrode mixture ("electrolyte concentration in negative electrode mixture"/"electrolyte concentration in electrolytic solution present in non-aqueous electrolyte secondary battery excluding negative electrode mixture") is more than 1 and 2.5 or less, the method comprising: a method for manufacturing the negative electrode for a non-aqueous electrolyte secondary battery which includes pre-doping lithium ions to the negative electrode active material powder through electrochemical treatment in an electrolyte-containing liquid, mixing at least the pre-doped negative electrode active material powder with a binder, obtaining a negative electrode paint produced by at least the pre-doped negative electrode active material powder and the binder by using a non-aqueous solvent, and obtaining an electrode plate by coating a current collector with the negative electrode paint, and drying and press-molding the current collector; assembling the non-aqueous electrolyte secondary battery by using the negative electrode for a non-aqueous electrolyte secondary battery, the positive electrode for a non-aqueous electrolyte secondary battery, and the electrolyte. at least a negative electrode for a non-aqueous electrolyte secondary battery including a negative electrode mixture; a positive electrode for a non-aqueous electrolyte secondary battery; and an electrolytic solution including an electrolyte and a solvent, wherein the negative electrode mixture includes a negative electrode active material powder, the negative electrode active material powder includes a carbon-based material and a silicon-based material, a mixing ratio of the carbon-based material to the silicon-based material (carbon-based material (mass%)/silicon-based material (mass%)) is 90 mass%/10 mass% to 0 mass%/100 mass%, and a negative electrode potential at a point of a battery voltage of 0 V is 3.2 Vvs(Li/Li +) or less in deep charging at a current rate of 0.001 ItA reaching the battery voltage of 0 V, wherein a ratio of an electrolye concentration in the negative electrode mixture to an electrolyte concentration in the electrolytic solution present in the non-aqueous electrolyte secondary battery excluding the negative electrode mixture ("electrolyte concentration in negative electrode mixture"/"electrolyte concentration in electrolytic solution present in non-aqueous electrolyte secondary battery excluding negative electrode mixture") is more than 1 and 2.5 or less, the method comprising: a method for manufacturing the negative electrode for a non-aqueous electrolyte secondary battery which includes pre-doping lithium ions to the negative electrode active material powder through electrochemical treatment in an electrolyte-containing liquid, mixing at least the pre-doped negative electrode active material powder with a binder, obtaining a negative electrode paint produced by at least the pre-doped negative electrode active material powder and the binder by using a non-aqueous solvent, and obtaining an electrode plate by coating a current collector with the negative electrode paint, and drying and press-molding the current collector; assembling the non-aqueous electrolyte secondary battery by using the negative electrode for a non-aqueous electrolyte secondary battery, the positive electrode for a non-aqueous electrolyte secondary battery, and the electrolyte. a method for manufacturing the negative electrode for a non-aqueous electrolyte secondary battery which includes pre-doping lithium ions to the negative electrode active material powder through electrochemical treatment in an electrolyte-containing liquid, mixing at least the pre-doped negative electrode active material powder with a binder, obtaining a negative electrode paint produced by at least the pre-doped negative electrode active material powder and the binder by using a non-aqueous solvent, and obtaining an electrode plate by coating a current collector with the negative electrode paint, and drying and press-molding the current collector; assembling the non-aqueous electrolyte secondary battery by using the negative electrode for a non-aqueous electrolyte secondary battery, the positive electrode for a non-aqueous electrolyte secondary battery, and the electrolyte.