Obhectives : The purposes of this study are to evaluate the effect of zymolysis-dietotherapy with herbal medicine on the obesity in Sasang constitution Methods : Seventy five patients were classified into four obesity groups by Body Mass Index, and four Sasang constitution groups by QSCC. Weight, body fat, body fat rate, BMI were compared in each group. Results : Weight, body fat, body fat rate, BMI were decreased significantly in all groups. There was statistically significant difference in the loss of weight, BMI between Taeumin and others. Decrement of body fat rate is not statistically significant between Taeumin and others. Conclusions : In conclusion, it was proved that zymolysis-dietotherapy with herbal medication is effective on the obesity treatment of all Sasang constitution groups. And the group of Taeumin lose more weight.