A method of manufacturing a printed wiring board (10) includes the steps of: forming a core including carbon fiber reinforced plastic having a primary through hole (3a); forming a first adhesive member (4a) on a lower surface of the core to cover the primary through hole (3a); charging an insulating member into the primary through hole (3a); forming a second adhesive member (4b) on an upper surface of the core; forming a third adhesive member (6a) below the first adhesive member (4a); forming a fourth adhesive member (6b) on the second adhesive member (4b); and forming interconnections on the core.