Purpose: The purpose of this study was to identify health promoting behaviors and the relationship between health promoting behaviors and state and trait anger in middle-aged men. Method: In this descriptive correlational study, the participants were 143 middle-aged men who lived in D city. Data were collected from November, 2004 to January. 2005. Personal interviews with a structured questionnaire were used. The data were analyzed using descriptive statistics, and Pearson correlation coefficients with SPSS Win 11.0 program. Results: The score for health promoting behavior in the middle-aged men was above the mean score. The highest dimension was self-actualization and the lowest dimension of health promoting behaviors was exercise. A significant negative correlation was found between health promoting behaviors and state anger in middle-aged men. But there was no significant correlation between health promoting behaviors and trait anger. Conclusion: These results suggest that state anger should be considered as an important factor when nurses develop educational programs to enhance health promoting behavior in middle-aged men.