A terminal-equipped coated wire having an exposed conductor portion at an end portion of a coated wire in which a conductor is coated with a coating material, a terminal fitting—connected to the conductor at the exposed conductor portion, and an anticorrosive agent with which a contact portion between the conductor and the terminal fitting is sealed, wherein an anticorrosive agent which is composed of a cured product of a curable resin and in which the cured product has a crosslink density within a range of 0.6×10−5 to 4×10−4 (mol/cm3) is used as the anticorrosive agent.