Printed curcuit board comprising contact pad

The present invention relates to a printed circuit board which is used as a signal transmission line in a terminal. The printed circuit board according to one embodiment of the present invention includes: a first ground layer which is extended in one direction; a first dielectric layer which is laminated on the upper side of the first ground layer and is extended in the same direction as the first ground layer; a signal transmission line which is laminated on the first dielectric layer and is extended in the same direction as the first dielectric layer; a ground pad which is extended from one end of the first ground layer and is in contact with an external ground; and a signal line pad which is extended from one end of the signal transmission line and is in contact with an external signal line.