“转换性使用”是美国合理使用判断的重要因素,其内涵历经“转换性内容”到“转换性目的”的转变。转换性使用倾向于构成合理使用契合立法之旨趣,顺应文化多元之面向,对廓清数字化利用之“合理性”问题甚有裨益,其更为数字时代日新月异之变化预留了合法化生存空间,应当与本土资源相结合,为我国司法实务和学术研究所借鉴。 “Use of Conversion ” is an important factor in the judicious use of the United States. Its connotation has been changed from “conversional content ” to “conversional purpose ”. The use of convertibility tends to constitute the intent of fair use and conformity to the legislation. It is also conducive to clarifying the issue of “rationality” of digital utilization by changing the cultural pluralism. It has also set aside more and more legalized living space for the rapid changes in the digital age , Should be combined with local resources for China’s judicial practice and academic research institutes for reference.