Abstract: Objective To explore the intermediary role of portrait satisfaction between social media selfies and self-objectification among college students,help college students to understand the adverse effects they may have on the body image satisfaction of using selfie on social networking sites,guide college students to treat selfie behavior correctly,and reduce the possible adverse effects of selfie behavior. Methods From September 2021 to January 2022,368 college students in Anhui Medical University were surveyed online by using the general data questionnaire,social networking website selfie questionnaire,self-objectification questionnaire and body image satisfaction scale,and the data were analyzed. Results There were statistically significant differences in the social networking website selfie among different gender,learning pressure,normal personality,classmate relationship,selfie frequency,selfie time,likes and comments from followers（all P<0.01）. There were statistically significant differences in the body image satisfaction among different grade,per capita family income,learning pressure,normal personality,classmate relationship,likes and comments from followers（all P<0.05）. There were statistically significant differences in the self-objectification among different family relations and selfie time（all P<0.05）. The correlation analysis results indicated that social networking site selfies was positively correlated with body image satisfaction and self-objectification（both P<0.01）,and body image satisfaction was negatively correlated with self-objectification（P<0.01）. The mediating effect model of body image satisfaction showed that the indirect influence of social networking site selfies on self-objectification through body image satisfaction was significant,played a complete mediation effect,mediation effect accounted for 97.18% of the total effect. Conclusions The social networking site selfies can significantly and positively predict self-objectification,and body image satisfaction plays a completely mediating role in the positive prediction of social networking site selfies on self-objectification. The college students should treat the problem of social networking site selfie correctly,especially the body image satisfaction problem involved,and have a clear understanding of themselves. The higher education institutions should also constantly improve the educational content and guide students to establish a correct moral outlook,outlook on life and values.

Key words: Social networking site selfie, Self-objectification, Body image satisfaction, Mediating role