Relationship between the tendency for eating disorders and identity of university students was investigated. University students (n=265) responded to two types of questionnaires (Eating Attitudes Test-26 (EAT-26) and Rasmussen's Ego Identity Scale (REIS)). The results indicated that EAT-26 scores of female students were significantly higher than those of males. Moreover, sex differences were observed in some subscales of REIS, such that higher were the REIS scores in male students; lower was the tendency for eating disorders. Conversely, lower were first stage REIS scores of females students, the stronger was the tendency for bulimia, whereas lower were the second stage scores, the stronger was the tendency for anorexia.