To provide a golf club head that is made with simple structure and can be changed of its total shape and mounting position of a golf club shaft by partly replacing its parts, that is superior in flexibility of choosing its shape, and in versatility, that makes inventory control easy and is superior in mass productivity since many parts thereof can be commonized, that can be used for a long term by beginners and amateur players who can easily customize the center of gravity position depending on their preference, and that is superior in maintenance characteristics, the handling characteristics, and the resource saving characteristics.

The golf club head includes: a shaft mounting base; a balance adjusting portion disposed at a back face surface side of the shaft mounting base for detachably holding weights having different density or weight; and a face surface side connecting portion disposed at a face surface side of the shaft mounting base and detachably connected to the balance adjusting portion by clamping the shaft mounting base.