Objective To investigate university students′knowledge about AIDS and to provide basis for university students′AIDS prevention.Method 1 280 students were selected to do questionnaires and the results were analyzed.Results More than 80.00% of university students had AIDS knowledge.Male students knew more than female students in terms of the concepts that " unprotected sex would be infected with HIV;correct use of condoms would reduce HIV infection;making love with one sexual partner would decline the spread of AIDS".The differences were statistically significant（P <0.05）.Students of liberal arts knew more than students of social science.The differences were statistically significant（P <0.05）.Conclusion University students have great understanding of AIDS knowledge

but they have to pay more attention to it.Meanwhile

it is necessary to conduct propaganda and education about AIDS information according to students′individual situation in order to decrease the risk of infection.