As of end of December 2010, Taiwan reports over 160 colleges and universities and is proclaimed as a country that reports highest college density. Therefore, a heavy impact and acute competition between colleges and universities has made the schools spare no effort to enhance quantity & quality of teaching and research related resources to stay competitive. However, a large improvement is required to the existing university e-libraries in terms of manpower allocation, budget amount, software & hardware facilities, quantity & quality of library collection and management philosophy deficiencies. Therefore, the management of various libraries needs to reinforce librarians’ capabilities in management and decision making to enhance overall library performance. The paper mainly follows various decision-making thinking, decision-making philosophy, decision-making mindset, decision-making methods and decision-making discipline ideas of Habitual Domains, with over 10 years personal experience of being a curator of university library considered to come up with strategies that are beneficial to the decision making thinking of university curators in Taiwan, so as to achieve the performance of library affairs and to expect to enable a new opportunity for the future development of university e-libraries in Taiwan.