2011年7月,我国启动著作权法第三次修订,文章针对本次修订所引入的孤儿作品和三步检验法,结合近几年世界主要国家关于图书馆著作权限制与例外的修订,探究美国、欧盟、加拿大和日本孤儿作品立法的共通性和差异性以及三步检验法在我国的适用性。梳理图书馆著作权限制与例外制度在现今立法趋势下,所受到的制约因素及未来调整的方向,进而在实践层面上,确立图书馆著作权限制与例外立法的战略需求、目标与实现路径,为图书馆实务中著作权限制与例外的适用提供参考引证。 In July 2011, China started the third revision of the Copyright Law. According to the revision of the orphan works and the three-step test adopted in this revision, in light of the revision of the limitations and exceptions of the copyright of the major countries in the world in recent years, Commonalities and Differences in Legislation of Orphan Works in EU, Canada and Japan and Applicability of Three - Step Test in China. Combing library copyright restrictions and exceptions in the current legislative trend, the constraints and the future direction of adjustment, and then in practice, the establishment of the library copyright restrictions and exceptions to the strategic needs of the target and the path to achieve for the books The practice of copyright restrictions and exceptions in Library Practice provides citation.