Abstract: Objective: To explore the effect of positive psychology in improving the subjective well being and job satisfaction of junior nurses. Methods: The psychological intervention group was established, to develop 4 stages of training, and intervention was implemented according to the positive psychology during the whole training program. And patients in two groups were investigated with the general well being scale and the nurses' job satisfaction scale before and after the intervention. Results: The total score of subjective well-being was 90.54±3.23 and nurses' job satisfaction was 5.06±0.64 in the intervention group, which were significantly higher (P<0.01 or P <0.05) than that of the control group (which was 78.76±6.14 and 3.03±0.22 respectively). Conclusions: Group psychological training based on positive psychology could improve patients' subjective well being and job satisfaction.