Abstract:-Obesity is a chronic disease characterized by excessive body fat that cause damage to the individual's health and is associated with co-morbidities. Obesity can cause various deleterious effects to respiratory function.Obese children are at risk for psychological and social adjustment problems, including lower perceived competencies than normative samples on social , athletic and appearance domain as well as overall self worth.A trend towards decreased physical activity levels due to the increasingly sedentary nature of recreation, changing modes of transportation, and increasing urbanization. And since in obesity physical activity is reduced, there are chances of depression and decreased QUALITY OF LIFE.Procedure: Samples were selected as per inclusion and exclusion. Written consent was taken and permission from the school was taken. Procedure was explained to them.PULMONARY FUNCTION TEST was recorded using a PULMONARY FUNCTION TEST machine, one trial was given prior to recording the final readings. Height was measured with the help of measuring tape and weight was recorded with the weighing machine and BMI was calculated and percentile was recorded. Peds-QUALITY OF LIFE questionnaire was distributed among the students and was filled by the students and collected..Data was collected and analyzed using unpaired t test and co-relation was found using Instat software. Result: The p value for QUALITY OF LIFE in obese and non-obese is <0.001 highly significant and t value is 3.167 .Fev1/ FVC was significant with p value 0.0068 and t value is 4.170 Conclusion: PULMONARY FUNCTION TEST and QUALITY OF LIFE are reduced in obese children.