PURPOSE: This study was to examine the effects of the Dan-Jun Breathing Exercise Program on pulmonary function and psychological health promotion of women in midlife. METHOD: Experimental group(20) was matched to control group(20) according to age, education, religion and marital status. The Dan-Jun Breathing Exercise Program was carried out for 80 minutes a day, 3 times a week for 12 weeks. FVC and FEV1.0/FVC(%) were measured by using the Health Management System developed by the Korean Physical Science Institution. The scores of depression, anxiety and hostility were measured by the Korean Manual of Symptoms-Checklist -90 revision. RESULT: 1) FVC of the experimental group was higher than that of the control group, FEV1.0/FVC(%) was not higher than that of the control group. 2) The scores for depression, anxiety and hostility in the experimental group were lower than those of the control group. 3) FVC of 6 weeks and 12 weeks experiment in the experimental group was higher than that of pre-experimental group. CONCLUSION: The Dan-Jun Breathing Exercise Program promotes the Pulmonary function and psychological health of women in midlife.