The younger generation is now very sensitive to questions regarding their physical characteristics. Issues such as body weight have been of great concern. School administrators fear students are neglecting their health; therefore, a survey of common dietary habits is carried out. Use the case study paradigm; This quantitative study aims to understand the factors influencing the eating habits of students. A total of 207 students from a technical and vocational university in Taiwan participated in the study. The survey includes common eating habits; more specifically on the types and frequency of foods consumed by students. The Big Five Personality Scale is also administered to better understand the factors affecting students' eating habits. The results show that students' eating habits are affected by their various demographics, such as gender, grade level, study session, and personality. More importantly, the results also show that applied foreign language students scored the highest in terms of personality trait openness. Other additional personality implications of the Big Five are also given. In summary, the present study provides an opportunity to open discussions explaining: perhaps not in whole, but in part why students are acting as they are today.1. IntroductionIn recent years, the general public has placed more and more importance on external appearance. As we read in the news, the number of people undergoing plastic surgery has reached an all-time high. Beauty products are selling better, even in these difficult economic times [1]. It seems that people care more about their outward appearance than their budget. In an educational setting, many wonder why students...... middle of paper ... means that when the frequency of dessert consumption increases, Consciousness decreases.5. Conclusion The current study illustrates the use of the Big Five personality scale to understand the eating habits of EFL students. This case study, although limited to the sample from a scientific and technological university, shows that students are more oriented towards healthy lifestyles. As the results show, the frequency of breakfast is quite high (five times a week). In addition, the most conscientious students refrain from eating desserts (candies). While eating out depends a lot on their professional situation. In summary, the eating habits of individuals would be closely linked to their demographic data. Therefore, it is recommended that students know the consequences of good and bad eating habits; because ultimately you are what and how you eat.