Provided is a method of manufacturing a wire with a terminal, the wire with a terminal including a wire, a metal terminal, and a sealing member obtained by curing an anti-corrosive material, the method using a manufacturing apparatus for the wire with a terminal including a transparent mold including a cavity portion, and a protruding portion that protrudes into the cavity portion, the method including an introducing step of placing, in the cavity portion, a non-sealed wire with a terminal before including the sealing member including the wire and the metal terminal, and introducing the anti-corrosive material into the cavity portion; and an irradiating step of irradiating the anti-corrosive material in the cavity portion with ultraviolet light through the transparent mold.