Objective : The purposes of this study are to evaluate the effect of zymolysis-dietotherapy with herbal formula on the obesity and to improve the oriental medical methods of treatment in obesity patients. Methods : Forty one patients were classified into four groups(Normal, Overweight, 1st Obesity, 2nd Obesity) by Body Mass Index(BMI). Weight, body fat rate, BMI and obesity index were compared in each group by paired t-test. Results : The weight, BMI and obesity index were decreased significantly in all groups. Except normal group, the body fat were decreased significantly. The body fat rate were decreased significantly in 1st obesity and 2nd obesity groups. Conclusions : From these results, it could be concluded that zymolysis-dietotherapy with herbal medication is effective on obesity care.