The present study aimed to identify the nature of the relationship between narcissism dimensions (normal, pathology "overt - covert") and personality disorder marginal among university students, as well as scale preparation borderline personality disorder and formed the sample of 100 students who study at the Faculty of Education, Benha University, the study consisted Tools of narcissism scale preparation Rehab Yehia (2012) and the measure of borderline personality disorder prepared by the researcher, and the results indicated the presence of a negative relational statistically significant relationship at the level of significance 0.01 among those with narcissistic normal and grades students' scores on borderline personality disorder scale and the presence of negative relational statistically significant relationship scale significance 0.01 level and those with scores between students narcissism overt and their scores on the borderline personality disorder scale, and the presence of positive correlation statistically significant relationship at the level of significance 0.01 degrees between students and those with covert narcissism and their scores on the borderline personality disorder scale.