Introduction: Happiness is one of the most important human emotion, if emotion into six categories of anger, fear, disgust, surprise, distress and joy we share, emotional happiness is most essential that people are pursuing it. When we as a positive internal sense, the prevalence of joy in life vessels, leading to life is pleasant feeling. The joy of social influence variables as a predictive variable affects on other variables. In this article we evaluate the effect of these variables on the epic morale of Let's examine the Iranian people.Method: This study, using descriptive and correlational studies using a questionnaire made by the researcher that the reliability and validity have been confirmed to assess the relation between the Iranian societies we have desired. Population study of all persons over 15 years that Iranians were using stratified random sampling of the eleven provinces were selected and opinions.Results: The results showed that the vitality and vitality of the Iranian people in average (56.19 out of 100 grades) is between these variables and the epic morale of the people of significant positive correlation is equal to 0.34. Discussion: Results indicated that joy and vitality of its own, without associated hatred and other negative emotions, epic morale can give people increases. Because morale, creating type that is associated with vitality. Moreover, it causes a kind of vitality Sbshnakhty and endocrinal changes (changes in the endocrine glands) that will be ready for active people and defend their increases.