OBJECTIVES:To assess the adolescent perception towards their weight and practice to lose weight. Methods And Material: A descriptive study was conducted among 400 adolescence studied at S’O’A University by using a convenience random sampling technique.The self-structure questionnaires and standardized tools of Body Shape Questionnaire (BSQ) and Self-Esteem Scale the main tool by which the data was collected. Result: From the findings reveals that the area wise distribution of mean and SD, Percentage of knowledge scores of adolescent studied in AGRICULTURE the total highest score was 4217 and the mean ±SD was10.542±1.413where as in SPS the total lowest score secured by the student was 3948 and the mean ± SD was9.87±1.396. There is no significant association between adolescent perception towards their weight and practice to lose weight when compared to their age, gender, and stream, area of residency, food habit, parental obesity, family income, and parental education. There is a positive correlation (r = 0.091) between the Body Shape Questionnaire (BSQ).Correlation between (Body Mass Index) BMI and Self-esteem of five institutions(r = 0.040and Correlation between BMI and BSQ of five institutions (r=-0.091893) Conclusion:The perception of adolescents about their body image is positively corelated to their weight loss practice. It was found that if their a positive perception towards body image ultimately the adolescent were more concerned to maintain their weight by weight loss practice for thin supreme attractive body image for life long.