Introduction: Fast Food is an empty calorie food that is high in calorie and lacks in micronutrients. Objectives were to study the food habits and factors influencing fast food consumption among medical students; to study the relationship of fast food preferences with gender variation and BMI. rnMaterial and methods: A cross-sectional study was carried out among 430 Medical Students in a Private University. Universal method of sampling was followed and data collection done by self-structured questionnaire. Height and weight was recorded and BMI was calculated accordingly. rnResults: Majority of them (54.4%) mentioned they skip major meals. Though only 23% of them stated they prefer fast food, 184(42.8%) of them visited a fast food restaurant once or twice in a week. Conclusion: The study demonstrated that medical students tend to have poor eating habits the primary reasons being easy access and taste factor.rn