Background: Perfectionism has increased dramatically among young people, leading to negative effects such as eating disorders. Aim of the study: This study aimed to investigate the relation between perfectionism and eating disorder among nursing students of Technical Institute at Benha University. Research question: Is there a relation between perfectionism and eating disorder for nursing students of Technical Institute at Benha University. Design: A descriptive correlational design was utilized to achieve the aim of study. Setting: The study was carried out at the Technical Institute of Nursing at Benha University which affiliated to the Ministry of High Education. Sample: A convenient sample of second year nursing students (300) enrolled in first term, academic year 2019-2020 from the above mentioned setting. Tools: Tool (I):- A structured Interviewing Questionnaire, Tool (II):- Multi-dimensional Perfectionism Scale and Tool (III): Eating Disorder Scale. Results: Less than two-thirds of the studied students have normal body mass index, moderate perfectionism and more than half of them have moderate eating disorders. Conclusion: There was a highly positive correlation between total eating disorder and total perfectionism. Recommendations: Expand public awareness through mass media about perfectionism and its effect on eating disorder among university students.