Abstract: The aging stereotype, which refers to the perception and the expectation pointing to old individuals, can significantly affect holder's physiological and cognition functions as well as behavior performances. Existing researches mainly focus on the potential mechanism, mediators and influence factors of aging stereotype. It is assumed that aging stereotype is formed through the process of internalization; Stereotype Threat Theory and Self-Stereotyping are the two main theories in explaining the aging stereotype effects. Inhibition ability, context situation as well as cultural differences are among the main factors influence the aging stereotype; Aging self-perception and stereotypic expectancy are the mediators of the aging stereotype. Future research should focus on the effect of different level of consciousness, context situation, individual characteristics on aging stereotypes and the effect of characteristics of aging stereotype on different age group. Potential mediators, intervention and cross-cultural study should also included.

Key words: aging stereotypes, internalization, stereotype threat, self-stereotyping