Abstract: This thesis introduced and gave comments on the concept and measure of ambivalent sexism and its influence to social cognition of women. While hostile sexism reflect a sexist antipathy attitude toward women, benevolent sexism is a set of interrelated attitudes toward women that are sexist in terms of viewing women stereotypically and in restricted roles but that are subjectively positive in feeling tone of the perceiver. Both of hostile sexism and benevolent sexism encompass 3 sources of male ambivalence: Paternalism, Gender Differentiation, and Heterosexuality. Different model of sexism have great impact to the perceiver’s social cognition of women

Key words: benevolent sexism, hostile sexism, social cognition