Fast food has become a prominent feature of the diet of university students in Egypt increasingly. Throughout the world, adolescents, as a group, are at risk for nutritional problems both from the physiological and psychosocial standpoint, adolescent obesity has become a significant health concern in university students. An increased frequency of fast food restaurant dining is associated with a higher intake of calories from fat. So the aim of this study was to estimate the rate of consumption of fast food among university students with change in body mass index and diet quality through laboratory estimation of chemical and nutrient content(fat, fatty acids)of fast food, besides distributing a survey to university students in Alexandria university. The results indicated that saturated fatty acids were high in most vegetable, legumes, and chicken meals compared to other meals as fast-food consumption has increased among university students. Recommendations contribute to achieving high-quality fast food and in achieving a high-quality fast food and its safety for students' health.