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Objective (s): To comparison of Health Belief Model- based methods of video and face to face training about risk factors on knowledge and attitude of Myocardial Infarction patients during discharge.Methods: This was a Clinical trial study. Eighty patients randomly assigned to either video or face to face group. Data was collected by a researcher-made questionnaire. Educational contents were designed in health belief model frame based on the collected data and educational needs; then it was turned into a movie. The movie was shown to each patient in the video group individually and face to face group received face to face training. Finally, data were analyzed using SPSS (version 16).Results: Analysis of baseline data showed that there were no significant differences between the two groups regarding any of dimensions of model (P> 0.05). Study results showed that the mean score of knowledge and attitudes in the video group was 32(±0.98), 112/62(±3.12) and in face to face group was 31/02(±1.4), 105/9 (±5.96), Comparing these means using t-test showed a significant difference between the means of two groups (P<0.05) in any of dimensions of model exception knowledge of diet.Conclusion: Using videos for educating myocardial infarction patients about risk factors of the disease is a useful method for preventing recurrence of the disease.