The purpose of this study was to investigate the current situations of condom using behavior intention and its related factors among college student in Taiwan. It used stratify sampling (group sampling) method, a total of 1,200 freshmen from 12 colleges in Taiwan were selected. The results were as the followings after statistical analysis: 1. The students who did not engage in sexual intercourse had higher behavioral intention to use condoms than those did . 2. The students with a more positive attitude in using condoms and a more peer attitude in support tended to use condoms; however, the students with insufficient self-efficacy tended not to use condoms. 3. Having had sex partners, the attitude towards using condoms, self-efficacy, and peer attitudes are the four major factors to predict condom using behavior.