This paper aimes to examine the intervention model and clinical effects of reminiscence on self-image，depression and happiness of older adult people in social welfare institute of rural china. Fifty-three participants in two social welfare institutes were randomly allocated to intervention group and control group. The intervention group participated in four to six sessions of individual reminiscence，the control group participated in nothing. No significant differences were found between the two groups in terms of demographic and meaning of self-image，depression and happiness. After the intervention，the group who participated in the individual reminiscence significantly increased self-image（p=0.026）and decreased depression（p=0.041）compared to the control group，although effect on happiness was not significant（p=0.063）. Findings demonstrate that individual reminiscence in this study is an effective way for social worker to enhance the psychological well-being Older adults in the social welfare in stitute of older adults social welfare institute in the rural China.