This paper is to analyze the impact of changes n academic library management environment on information services. For this purpose. based on literature reviews. various factors affecting information services due to changes in management environment such as human resources, information resources, facilities, budget and information technologies are investigated. Also, in order to substantiate this work, librarians in diverse university libraries were surveyed. According to our survey results, The conclusion is as follows. That is, the most to least affecting factors on information services in university libranes are human resources, information technologies and facilities, respectively.