Introduction: Cardiovascular disease is the main cause of mortality all over the world. According to life style changes it seems that risk factors of Coronary-heart disease started in childhood and adolescence the present study is aimed to assess efficiency of educational intervention about the Prevention of Cardiovascular Disease which is implemented based on health belief model in sari.

Methods: the study was conducted as a semi-experimental study (post and pre-experiment) on 180student in 2014. The participants were divided randomly into two groups of 90 individuals. Afterward, the participants were observed at two stages (before / after 6 months). A two sections questionnaire (demographic and Knowledge about the Prevention of Cardiovascular Disease based on component of HBM). Data analyses were carried out by using SPSS ver. 20 using Chi-Square test and independent T-test and Repeated Measurement. Level of significant was set at 0.05.

Results: There were no significant difference between interventions and control group before

Intervention in terms of health belief model component. There were significant difference between pre-test and post-test in knowledge (p<0.001), perceived susceptibility (p<0.001), perceived severity (p<0.001), perceived benefit (p<0.001), perceived barrier (p=0.002) self-efficacy (p<0.001) among students in intervention group.

Conclusion: It seems, this model can eliminate the perceived barriers. In addition HBM Can be Highlighted perceived susceptibility, perceived severity, perceived benefit about the prevention of cardiovascular and finally, self-efficacy regarding the prevention of cardiovascular disease among student can be enhanced with health belief model.