The purpose of this study is to analyze the political and functional requirements of the regional library portal and to evaluate such requirements. A literature review was carried out to discuss library portal, and introduce the best practices of the regional library portal. After analyzing the political and functional requirements of the regional library portal, AHP was applied to evaluate requirements. In the political requirements, standards, digital collection development, operation and evaluation were ranked according to importance, and copyright & licence management which belongs to digital collection development was underrated. There were differences in the importance among the functional requirements of the regional library portal, integrated search, integrated interface, information service, separated digital collection management and access management were ranked according to importance.