A method of manufacturing a secondary battery including an electrode body having a positive electrode plate (40) having a positive electrode tab (4c), a negative electrode plate (5) having a negative electrode tab (5c), and a separator, in which the positive electrode tab (4c) is connected to a positive electrode collector in a curved state and the negative electrode tab (5c) is connected to a negative electrode collector in a curved state, and in which, as the positive electrode plate (4), one provided with a cutaway (4e) at a base of the positive electrode tab (4c) in a region where a positive electrode active material mixture layer (4a) is formed on a positive electrode core body is used.