The purpose of this study is to understand the impact of the foreign faculty on internationalization of three private universities in Taiwan. The study compared the opinions and attitudes toward teaching, research and service between top administrators in charge of international affairs and the foreign faculty. The study adopted qualitive research methods including the in-depth interview and documentary analysis to analyze the current situation and the problems encountered by three private universities in Taiwan selected as research subjects.There are several major findings: 1. These three institutions have different strategies to recruit the foreign faculty. 2. Recruitment of foreign faculty brings positive impact on the development of internationalization activities on campus. 3. The levels of international research cooperations with foreign universities are different. 4. The level of the participation in international seminars and conferences by foreign faculty is different among three institutions. 5. Administrative services by foreign faculty is different among three institutions,too. 6. Internationalization conception embedded in the curriculum by foreign faculty brings positive impact on campus.