| With the development of visual culture,physical performances on social media are becoming more and more common.The widespread use of image editing techniques distorts the female body in reality.In the field of social psychology,the influence of media on body image has been well documented.Although many scholars have begun to turn their attention to the early warning and intervention of negative body image,there are still relatively few researches on media literacy intervention in China.In the field of media effect research,researchers have begun to pay attention to new social media such as We Chat and Weibo,but still lack attention to emerging image-based social media.This study will investigate teenage women’s use of imagery social media and its impact on the obese negative body self.Through the method of experimental intervention,we examine the influence of "social media vs reality" contrast material and advertisements promoting body positivity on teenage women,hoping to expand the types of images that promote positive body image.The subjects of the study were 111 girls from a secondary vocational college in Luoyang City,Henan Province.First,the use of image-based social media(The Red,Tik Tok,Racer,and image-editing applications),body mass index,ideal weight,appearance comparison,and internalization of physical ideals were investigated through the basic situation questionnaire.Subsequently,the researchers showed different media materials to the three classes.The experimental results show that the "social media VS real" comparison material can improve the subjects’ media literacy level,but the effect on emotional and physical satisfaction is not significant,and the subjects’ understanding of images is not the same;advertising films that promote body positivity The positive impact on adolescent women is the most obvious,which can improve their positive emotions,media literacy and physical satisfaction;social media content that does not focus on appearance slightly improves the subjects’ emotional,media literacy,and physical satisfaction.But the improvement effect is not significant.The study found that the higher the intensity of image-based social media use,the higher the level of negative physical self.Therefore,the purpose of the experimental design is to use the media itself to spread positive body information to improve the level of media literacy and physical satisfaction of vocational students.The results of the experiment also found that comparison photos that expose the falsehood of social media and commercials that promote body diversity have certain positive effects.This study provides empirical experience in the context of China on the impact and intervention of image-based social media on adolescent girls. |