A method for producing a non-aqueous electrolyte secondary battery comprising a positive electrode having a positive electrode active material layer, a negative electrode having a negative electrode active material layer, and an electrolyte layer having an electrolyte solution containing a non-aqueous solvent; wherein at least one of the positive electrode active material layer and the negative electrode active material layer comprises a core-shell-type electrode material having a core part including an electrode active material and a shell part including a conductive material in a base material formed by a gel-forming polymer having a liquid absorption ratio with respect to the electrolyte solution of 10 to 200%, wherein the gel-forming polymer is in a gel state, and wherein the liquid absorption ratio with respect to electrolyte solution of gel-forming polymer is determined by the following equation upon measuring the weights of the gel-forming polymer before immersing in the electrolyte solution and after immersing in the electrolyte solution, the electrolyte solution for obtaining the liquid absorption ratio being obtained by dissolving LiPF 6 as a lithium salt in a solution of ethylene carbonate and diethyl carbonate mixed at a volume ratio of EC: DEC = 3: 7, so as to have a concentration of 1 mol/L: Liquid absorption ratio % = Weight of gel-forming polymer after immersing in electrolyte solution − Weight of gel-forming polymer before immersing in electrolyte solution / Weight of gel-forming polymer before immersing in electrolyte solution × 100; and wherein the core-shell-type electrode material comprises an electrode material for a non-aqueous electrolyte secondary battery which is a core-shell-type electrode material obtained by any method of the following to: a method which comprises charging a resin solution containing the gel-forming polymer while stirring, in the presence of the electrode active material, adding the conductive material thereto, and removing a solvent therefrom while stirring; a method which comprises dissolving the gel-forming polymer in a good solvent thereof, dispersing a powder of the electrode active material in the solution, and adding a poor solvent of the gel-forming polymer containing the conductive material dispersed therein to the solution; a method which comprises dissolving the conductive material and the gel-forming polymer in a good solvent of the gel-forming polymer, and spraying the obtained solution on the surface of the electrode active material; a method which comprises dissolving the electrode active material, the conductive material and the gel-forming polymer in a good solvent of the gel-forming polymer, and pulverizing a solid content obtained by drying the solution. a method which comprises charging a resin solution containing the gel-forming polymer while stirring, in the presence of the electrode active material, adding the conductive material thereto, and removing a solvent therefrom while stirring; a method which comprises dissolving the gel-forming polymer in a good solvent thereof, dispersing a powder of the electrode active material in the solution, and adding a poor solvent of the gel-forming polymer containing the conductive material dispersed therein to the solution; a method which comprises dissolving the conductive material and the gel-forming polymer in a good solvent of the gel-forming polymer, and spraying the obtained solution on the surface of the electrode active material; a method which comprises dissolving the electrode active material, the conductive material and the gel-forming polymer in a good solvent of the gel-forming polymer, and pulverizing a solid content obtained by drying the solution.