To increase carry by reducing a back spin amount while increasing a ball hitting angle.

In a wood type golf club head 1 whose loft angle is 15 degrees or more, a plurality of face line grooves 8 are provided on a face surface 2 and the face line grooves 8 are characterised by that the depth d is 0.35-0.45 mm and amplification width W is 0.75-0.85 mm.