Objective To explore the application effect of participatory peer education training on AIDS prevention and sexual health among university fre shmen.Methods Using stratified whole group sampling

1 400 freshmen of Guangdong University of Technology

enrolled in 2019

were selected as the survey subjects.Peer education on AIDS prevention and sexual health was provided to the survey subjects

questionnaires were administered before and after the education

and the survey data were statistically analyzed.Results After the peer education

the knowledge rate of the survey respondents about the national eight articles of AIDS knowledge increased from76.8% to 91.6%

and the difference was statistically significant（P<0.05）;the knowledge rate about sexual and reproductive health increased from 75.9% to 85.0 %

and the difference was statistically significant（P <0.05）.In terms of safe sex and attitudes toward ∧IDS and premarital sex

there were positive changes in the attitudes and behaviors of the survey respondents after peer education.The willingness to use condom when having sex increased from 74.96 % before peer education to 91.01 % after peer education

and the proportion of those who thought love

health and responsibility were prerequisites for sexual behavior increased from 48.07% before peer education to 60.15% after peer education

and all the differences were statistically significant（P<0.05）.Conclusion Peer education applied to ∧IDS prevention and sexual health education in colleges and universities is effective and is an educational model worth promoting.