The purpose of this study was effect that get to purchase decision-making factor of medical device decision making. A survey of 262 hospitals to 480 hospitals was conducted from December 3, 2007 to January 4, 2008 in the Busan area. The data generated in the survey was analyzed with SPSS/Win version 10.0 and appropriate tests and statistics including t-tests, ANOVA analyses were used. A summary of the actual results of this analysis are as follows : Of the 262 hospitals surveyed 249(95.1%) were male and 13(4.9%) were female, which shows an absolute higher ration of the male respondents. On a question of Medical device purchase sanction rise 50% occupy. CEO of a hospital($4.58{pm}.80$) is highest at medical device purchase. The highest factor of medical device purchasing is picture quality($4.86{pm}.37$), after service($4.84{pm}.40$), cost($4.36{pm}.75$). Through the results of the above study, Principle and department influence are put than human relations in the medical device purchase decision making.