This invention provides a method of manufacturing a golf club head including a face surface. This manufacturing method includes a step of forming a plurality of recessed portions in the face surface, included in a first member, to extend in the toe-to-heel direction, a fixing step of fixing, to the recessed portions, second members which are formed by a material different from that of the first member, and fill the recessed portions, and after the fixing step, a scoreline forming step of forming at least one scoreline in each of the second members, while not forming the scoreline in a portion, between the recessed portions, of the face surface of the first member.