The aim of this study was to compare mental health, quality of life and emotional intelligence in physical education teachers and non-physical education teachers in Kermanshah. This study was carried out by a causal-comparative and field method. The statistical population of this study comprised all the teachers of Kermanshah (972 physical education teachers and 2854 non-physical education teachers). Morgan table determined 280 physical education teachers and 350 non-physical education teachers as the sample. In order to collect the data, demographic characteristics questionnaire, General Health Questionnaire (GHQ), Quality of life Questionnaire (SF-36) and Bradbury and Grays’ Emotional Intelligence Questionnaire were used. Descriptive statistics and inferential statistics such as independent sample t test and Kolmogorov-Smirnov test were used to analyze the data. The results revealed a significant difference in quality of life and the components between physical education teachers and non-physical education teachers (P<0.005), in emotional intelligence and the components (P<0.005) and in mental health and the components (P<0.005). In most of the factors, physical education teachers received higher mean scores than non-physical education teachers. Generally, it can be concluded that physical activity can probably improve mental factors such as mental health, quality of life and emotional intelligence.