Abstract: In order to explore the relationship between physical exercise, psychological stress, coping styles and subjective well-being, the paper, by using structural equation modeling and controlling the correlated variables, draws the conclusion as follows(!) (1) Physical exercise is significantly correlated to psychological stress, coping methods and subjective well-being. Physical exercise, as an active response, can effectively relieve psychological stress, improve the individual's capacity to respond, enabling the participants to experience the emotional effect of joy, fluency and peak; (2) Physical exercise can not only directly affect the experience of subjective well-being, but also affect the subjective well-being indirectly by means of the intervening variable of psychological stress and coping variables; (3) The intervention of coping styles, on the one hand, eases the effect of psychological stress on subjective well-being. On the other hand, it strengthens the effect of physical exercise on subjective well-being and the regulatory effect is established. Active coping styles exhibit positive effect on subjective well-being while negative coping styles demonstrate negative effects.

Key words: physical exercise, adolescents, psychological stress, coping styles, subjective well-being, structural equation modeling