[Purpose/significance] This paper obtains the services for off-campus readers of the Ivy League University Libraries, to provide reference for the University Library in China.[Method/process] With an online survey, it collects, summarizes and analyzes the services for off-campus readers of the Ivy League University Libraries from four aspects, including the open object, the way of entering the libraries, fee standards and off-campus readers' rights.[Result/conclusion] The services for off-campus readers of the Ivy League University Libraries have the majority of readers, humanized characteristic and reasonable system. University libraries in China should actively change the thinking concept, pay attention to improve the service quality, improve the open system, and strive for multi policy and financial support, to ensure the off-campus readers' right to use a library.