The purpose of this study was to verify the effect of aromatherapy program on lowering body mass index and serum estrogen in obese post-menopause women.

One group Pretest-posttest experimental design was used. All subjects received intervention of aromatherapy program. The participants used 3% grapefruit oil, cypress and three other kinds of oil. BMI and Serum estrogen level of the participants' were measured by ZEUS 9.9(Resource Medical, 2004) and PACKARD Gamma Counter-Cobra II RI Manual(USA, 1997) before and after interventions being applied at the P. hospital. Data were analyzed by paired t-test using the SPSS/PC+Win 12 Version.

The level of serum estrogen and BMI of the participants were significantly decreased after aromathetapy program.

These results suggest that the effect of aromatheapy program could be utilized as an effective intervention to reduce BMI and serum estrogen level in obese post-menopause women.