The present study described the impact of thirty days exclusive feeding of Chesse burger (fast food) on body weight and blood sugar level of Musmusculus albinus mice. The result obtained showed increase both body weight and blood sugar level. The increase in pre meal blood sugar after 7, 15 & 30 days feeding of chesse burger were 10.74, 15.25 & 15.83 per cent and in post meal blood 40, 62.79 & 77. 16 per cent respectively. The increase in body weight of mice after 7, 15 & 30 days feeding of chesse burger were 8.15, 9.0 and 10.67 per cent respectively. This clearly indicates that chesse burger increases the risk of obesity, diabetes and its related cardiovascular disease.