Disclosed is a golf club head having a striking plate made of a high-strength aluminum alloy including at most 0.06 wt % of Si, at most 0.1 wt % of Fe, 2 to 2.5 wt % of Cu, 1.5 to 2.5 wt % of Mg, 5 to 9.5 wt % of Zn, at most 0.05 wt % of Mn, 0.1 to 0.2 wt % of Zr, at most 0.05 wt % of Cr, at most 0.05 wt % of Ti, 0.01 to 0.1 wt % of Sc, and balance Al, wherein the weight ratio of Zn over Mg is from about 3.2 to about 4.4.