Introduction: Now a day Sthaulya (obesity) has become a burning problem in the world. The world popu-lation is estimated at about 6.5 billion. There are more than a billion, overweight people in the world. Many theories have been put forward with many new hypothesis describing this disorder in Ayurveda as well as in modern science, there is enough scope to work out on its etio-pathology and management aspect of the Sthaulya, because in modern medical science its management aspect remains symptomatic with trouble-some side effects. On the light of above, present study has been selected. Aim: To study efficacy of Tamra Bhasma in obesity on albino rats Method: Tamra Bhasma was prepared in Rasshastra dept .24 albino rats were taken for experiment. A spe-cialized high fat diet was given to 18 rats and then treated with Tamra Bhasma. The weight, BMI, ab-dominal girth was done to evaluate its effect on 0, 10th, 20th, 30th days & result were compared. Result: Data was collected and analysed using student ‘t’ test. As per weight, abdominal girth & BMI value it can says that it is best drug for obesity