本文介绍了美国知识产权合理使用的定义及检验标准,结合相关经典判例进行分析,提出现有法律应用到数字网络环境中所凸显的缺陷,着重从审判实践的角度,反观中国处理数字化版权合理使用问题时可借鉴与应关注之处,对完善中国知识产权法律体系提出建议。 This paper introduces the definition and testing standard of fair use of intellectual property in the United States, analyzes the relevant classical jurisprudence, and puts forward the defects highlighted in the application of existing law to the digital network environment. Emphatically from the perspective of trial practice, on the contrary, China deals with the rational use of digital copyright When the problem can learn from and should pay attention to, to improve China’s legal system of intellectual property advice.