The object of the present invention is to provide a plate-reinforced wiring circuit board in which the tearing occurring upon flexing can be sufficiently prevented. The present invention relates to a plate-reinforced wiring circuit board, which comprises a wiring circuit board; and a reinforcing plate disposed on a given region of the wiring circuit board, said reinforcing plate having a edge which has a curved part intersecting or having contact with a edge of the wiring circuit board.