Art could be abstract, realistic, naturalistic, conceptual, and inspirational and the language of art is universal. Language and discourse are not reflections of reality, and the words do not show their meaning explicitly. Movies are one of the forms to express a kind of artistic language respecting social factors. It is approved that seeing is completed by understanding. Critical discourse analysis is a proper tool to disclose the underlying assumptions that are concealed in texts or speeches while studies the social interactions which take linguistic forms. Social structures have an influence on discourse patterns and relations in the form of power relations and ideological effects. In the present article critical discourse analysis attempted to describe relations between use of language and social problems focus on the film Nader and Simin- a Separation. What is interesting to notice about this study is that it is the first time to investigate sociolinguistic structure of artistic language in the field of critical discourse analysis in Iran. At last this study intended to examine if social distance has a positive impact on types of words in discursive and visual communication