合理使用是著作权法中为平衡著作权人的个体利益与公共利益而创设的一种制度。图书馆只有深刻解读图书馆合理使用的条件,正确掌握合理使用的基本原则,创新图书馆合理使用制度体系,完善图书馆合理使用政策机制,提高图书馆合理使用法律意识,才能正确实践合理使用制度,才能有效推动图书馆公共知识传播合法化,实现著作权法利益平衡的目标。 Fair use is a system created in copyright law to balance the individual interests and public interests of copyright owners. Only by properly interpreting the conditions for the rational use of libraries, correctly understanding the basic principles of fair use, innovating the system of rational use of libraries, perfecting the rational utilization of policies and mechanisms of libraries and improving the rational use of legal awareness by libraries, Can we effectively promote the legalization of public knowledge propagation in libraries and achieve the goal of balancing the interests of copyright law.