Abstract: To examine the difference of undergraduates' personality traits in sex, gender role stereotype and gender belief stereotype, a sample of 552 undergraduates was tested by BSRI, NEO-PI-R, CAPI and gender belief stereotype scale.Result showed: (1) Neuroticism, extraversion, agreeableness, conscientiousness, Ren Qing (relationship orientation) and harmonious of college students has difference on gender role stereotype.Neuroticism, agreeableness, face, flexity and defence of college students has difference on gender belief stereotype.Openness and defence of college students is affected by gender role stereotype and gender belief stereotype.(2) In gender role stereotype, College students of masculinity have higher extraversion.College students of femininity have higher agreeableness, harmonious, Ren Qing and neuroticism.College students of androgynous have higher agreeableness, extraversion and conscientiousness.College students of undifferentiated have lower harmonious, Ren Qing and conscientiousness.In gender belief stereotype, College students of tradition have higher face.College students of anti-tradition have higher agreeableness and lower face.College students of conflict have higher neuroticism, defence and lower agreeableness, flexity.College students of undifferentiated have higher agreeableness and lower neuroticism.

Key words: personality traits, gender role stereotype, gender belief, stereotype sex