This study was undertaken in order to determine the relationship among a health locus of control. self-esteem. perceived health status. and health promoting behavior in order to determine factors affecting health promoting lifestyle in college students. The subject were 137 students of one university in Kyungsan. The analysis of data was done with a mean. percentage. Pearson correlation coefficient. and Stepwise multiple regression with an SAS program. The result of this study ware as follows: 1. Performance in health-promoting behavior was significantly correlated with self-efficacy and self-esteem 2. Performance in self-achievement was significantly correlated with self-efficacy, self-esteem, and perceived health status. Performance in health responsibility was significantly correlated with self-efficacy and self-esteem Performance in exercise was significantly correlated with self-efficacy and perceived health status. Performance in nutrition was significantly correlated with self-efficacy. self-esteem. and perceived health status. Performance in interpersonal support was significantly correlated with self-efficacy. internal locus of control. and self-esteem Performance in stress management was significantly correlated with self-efficacy, self-esteem. and perceived health status. 3. Self-efficacy was the highest factor predicting health promoting lifestyles. 4. Self-efficacy was the highest factor predicting self-achievement. health responsibility. exercise. nutrition. and stress management. Self-esteem was the highest factor predicting interpersonal support. From this research findings, we need to develop health promoting program and health education focusing on exercise, health responsibility for college students.