This comparative study was conducted to compare the attitudes of sexuality and knowledge of sexual violence between male and female college students. The subjects of this study were 222 male students and 200 female students. The survey was conducted using a questionnaire of 3 general characteristics, 11 items to test attitudes on sexuality, 10 items to test knowledge of sexual violence, 1 item on the cause of sexual violence and 1 item to check knowledge of sexual violence countermeasures. According to the SPSS/PC Program, Frequency, mean, percentage, t-test, Pearson correlation coefficient were used in analyzing the data. The results of the study are summarized as follows. 1. The result of the comparison between two groups was significantly different in their attitude on sexuality(t=-4.16, P<.000). Female students had higher scores than male students. 2. The result of the comparison between two groups was significantly different for their knowledge on sexual violence(t=-6.82, P<.000). Female students had higher scores than male students. 3. As a countermeasure for prevention, sex educations is needed(27%). 4. Very high correlations were observed between a subject's sex and his/her sexuality(r=.1990, P<.0001), between a subject's sex and his/her knowledge of sexual violence(r=.3157, P<.0001), between a subject's attitude on sexuality and his/her knowledge of sexual violence(r=.2538, P<.0001).