This purpose of this study was to identify the relationships between attitude, subjective norms, perceived behavioral control and intention of safer sexual behavior in non-experienced university students of sexual intercourse. The study participants were 604 students of university in Seoul. Considering the extremely private and sensitive topic of this study, data collection was performed through online and mobile media form April 1 to 14, 2013. Collected data were analyzes using the SPSS 21.0 Programs. As a results, Intention of safer sexual behavior had a meaningful relationship with attitude, subjective norms, perceived behavioral control. Bsaed on these results, it is suggested that the results the of this study are used to develop nursing intervention strategies for the promotion of sexual health, such as sex education programs or sex counseling programs targeting university students.