The purpose of this study were to research the Decision-making Process of Oversea Chinese Students in College Applications , and hope to forward conclusions and suggestions according to the results. Based on the motivations , it can be categorized into three purpose : 1.to borrow from the theoretical framework and techniques from the education marketing, aims to enhance the marketing capacity of Taiwan¡¦s universities in recruiting oversea Chinese students. 2.to analysis the selection criteria of Oversea Chinese Students in College Applications, the main sources of foreign university information, and the most important person influencing the Decision-making Process of Oversea Chinese Students in College Applications. 3.according to the results, constructive suggestions to the administration, the universities and colleges, serving as a reference in the management of enrollment strategies. The achieve the aims mentioned above, the research starts from the exploring the theories of market segmentation and marketing strategies through related papers and articles, then collect empirical studies about the college-student recruitment. Based upon the result of literature review, a¡§Questionnaire of Influential Factors concerning the Decision-making Process of Oversea Chinese Students Seeking College Education¡¨ were developed. About eight hundred students in National Oversea Chinese Student University Preparatory School were surveyed using the questionnaire above. A series of statistics such as descriptive statistics, Chi-square test, cluster analysis, ANOVA, and MANOVA were conducted to analyze the data collected. The main discoveries are as follows : 1.Different background variable make a lot of difference in the Decision-making Process in College Applications. 2.Different background variable make a lot of difference within the four cluster Oversea Chinese Students. 3.Different cluster Oversea Chinese Students have their own inclination in the Decision-making Process in College Applications. 4.Different cluster Oversea Chinese Students have their own inclination in the university information sources. With the coming short of college students due to the sharp decrease of birth rate in Taiwan, recruitment officials of colleges and universities are anxious of the future and figuring out the strategies to admit oversea Chinese students from the Southeastern Asia. The conclusions of this study can provide a clear picture of future oversea Chinese students for international colleges and universities.