PURPOSE: to evaluate the effects of AIDS education for baccalaureate nursing students. METHOD: a one-time AIDS education was delivered to 175 nursing students and knowledge and attitude toward HIV/AIDS were measured before and after the AIDS education using a questionnaire. RESULT: 1) Before the AIDS education, the average knowledge score of the students was 64.30 points out of 103 points while the average attitude score was 25.77 points out of 36 points. 2) Before the AIDS education, school grade, former experience of AIDS education and religion were founded to be the significantly related to the student's knowledge on AIDS. 3) There was a significant increase in AIDS related knowledge (t=-24.21, p=.000). There was also a significant improve- ment in attitude toward HIV/AIDS (t=4.67, p=.000) after the AIDS education. 4) There was a significant correlation between the knowledge and the attitude toward HIV/AIDS before the AIDS education, while no correlations was found between the AIDS knowledge and attitude after the education. CONCLUSION: AIDS education is necessary and effective for baccalaureate nursing students. It is necessary to develop comprehensive AIDS education program to improve the level of knowledge and preventive behavior for HIV/AIDS as well as to allay the fears for AIDS.