A flexible printed circuit board structure (1; 2) comprising: a flexible printed circuit board with a high-frequency circuit formed thereon; and a feeding part (20; 60) to which a cable or a connector for feeding the flexible printed circuit board is connected; wherein the feeding part (20; 60) includes: a feeding board (21; 61) to which the cable or the connector is connected; and a pressing member that is configured to sandwich a contact point of the flexible printed circuit board and the feeding board (21; 61) together, and configured to press the contact point and the feeding board (21; 61) by use of male screws and female screws of the feeding part (20; 60), to electrically connect the contact point and the feeding board (21; 61), wherein the flexible printed circuit board is configured to be sandwiched between the feeding board (21; 61) and the pressing member, a plurality of through holes (11b; 61c) through which the male screws penetrate is formed at the contact point of the flexible printed circuit board, the pressing member is configured to press the contact point by use of the plurality of through holes (11b; 61c), characterised in that the flexible printed circuit board includes a projecting location projecting partially; the feeding board (21; 61) includes an antenna feeding section (21a; 61a) to which the cable or the connector is connected and a ground section (21b; 61b) insulated from the antenna feeding section (21a; 61a); the pressing member is configured to sandwich an antenna contact point and a ground contact point as the contact point provided to the projecting location of the flexible printed circuit board together with the feeding board (21; 61), and the through holes are provided corresponding to formation locations of the antenna contact point and the ground contact point. a flexible printed circuit board with a high-frequency circuit formed thereon; and a feeding part (20; 60) to which a cable or a connector for feeding the flexible printed circuit board is connected; wherein the feeding part (20; 60) includes: a feeding board (21; 61) to which the cable or the connector is connected; and a pressing member that is configured to sandwich a contact point of the flexible printed circuit board and the feeding board (21; 61) together, and configured to press the contact point and the feeding board (21; 61) by use of male screws and female screws of the feeding part (20; 60), to electrically connect the contact point and the feeding board (21; 61), wherein a feeding board (21; 61) to which the cable or the connector is connected; and a pressing member that is configured to sandwich a contact point of the flexible printed circuit board and the feeding board (21; 61) together, and configured to press the contact point and the feeding board (21; 61) by use of male screws and female screws of the feeding part (20; 60), to electrically connect the contact point and the feeding board (21; 61), wherein the flexible printed circuit board is configured to be sandwiched between the feeding board (21; 61) and the pressing member, a plurality of through holes (11b; 61c) through which the male screws penetrate is formed at the contact point of the flexible printed circuit board, the pressing member is configured to press the contact point by use of the plurality of through holes (11b; 61c), characterised in that the flexible printed circuit board includes a projecting location projecting partially; the feeding board (21; 61) includes an antenna feeding section (21a; 61a) to which the cable or the connector is connected and a ground section (21b; 61b) insulated from the antenna feeding section (21a; 61a); the pressing member is configured to sandwich an antenna contact point and a ground contact point as the contact point provided to the projecting location of the flexible printed circuit board together with the feeding board (21; 61), and the through holes are provided corresponding to formation locations of the antenna contact point and the ground contact point.