To analyse the relationship of the Achievement Goal Orientation, the General Self-Efficacy and Subjective Well-Being of the, 293 Junior High School students from the Handan City who were tested with the Achievement Goal Orientation Scale, the General Self-Efficacy Scale and the Subjective Well-Being Schedule, to analyze the situation and the relationship between them. The results showed that:(1) The female students socred significantly higher than the male students in the dimension of mastery avoidance goal. (2) The students of Grade Two scored significantly lower than Grade One and Three in the self-efficacy variable. (3) The students of Grade One scored significantly higher than Grade Two and Three in the dimension of emotional or behavioral control and the dimension of happy mood, and the students of Grade Two have scored significantly lower than Grade One and three in the dimension of worry about health. (4) Self-efficacy, in the relationship between mastery approach goal, mastery avoidance and subjective well-being, plays a mediating role.