There are many problems arising between the managing companies of golf courses and its members. These problems arise because there aren't any laws regarding golf club membership or terms of collateral. There are only a few cases of precedents in these subject-matters. This paper is based on the decision made by The Supreme Court of Japan dated 1989. 9. 11. Specifically, the paper submits in light of the above-mentioned problems the nature of golf club memberships, the legal position of the managing companies of golf courses, and the protection of golf-club members. 1. Introduction 2. Characteristics of golf clubs and the legal nature of golf club membership 3. Specific problems arising from golf membership 4. Conclusion