Mass media, due to their nature and content, are almost related to all economic, social, cultural and political aspects of societies. Therefore, they are among the effective variables in contemporary societies. Regarding the rapid changes in media technology in the past decades, the impact of this significant growth can be seen in the cultural and religious configuration of the societies. Widespread expansion and availability of mass media have had various consequences in cultural, religious, and national areas of communities, among them linguistic and literary identity is much influenced. It might be said that the similar and identical messages from the media could bring about public disruption and the crisis of religious identity. The expression such as globalization, integration, cultural invasion, and Americanization of culture reveal the same threat from these media. This research tends to explore the impact of mass media on linguistic-literary identity. In other words, the major questions are: -Do the mass media affect the lingual-literary identity of the youth.-What are the mechanisms of this effectiveness?-Finally, from the viewpoint of mass media, do we encounter any problem in the realm of Persian language and literature?To answer these questions, after the review of literature, the causal model including the mechanism variables was sketched.The population includes all the high school students in the third grade in Shiraz. The size of the sample, based on the Coukran formula, contains four hundred students, two hundred boys and two hundred girls. After excluding the falsified questionnaires, 385 ones were analyzed. The method is filed study and survey technique is used for collecting data. The construct validity, face validity, and the Cronbach alpha have been used for evaluating the validity of reliability. The tests used are person correlation, variance analysis, multivariable regression, and path analyses. The consequences of correlation analysis showed that the rate of media usage has a negative significant relationship with the lingual-literary identity, which means by increasing the usage of mass media, the lingualliterary identity will decrease.