SOCIAL STRUCTURE AS A SOCIOLOGICAL CONCEPT, INCLUDE ELEMENTS SUCH AS SOCIAL STRATIFICATION, INSTITUTIONS AND ORGANIZATIONS, POPULATION AND LABOR, THE FAMILY AND MARRIAGE AND SO ON. SOCIAL STRATIFICATION IS THE MOST IMPORTANT ELEMENTS OF THE SOCIAL STRUCTURE. TO STUDY THE SOCIAL STRUCTURE OR ONE OF ITS ELEMENTS, FOR EXAMPLE, STRATIFICATION IN SOCIETY, WE MUST COLLECT DATA BY FIELD RESEARCH AND ITS TOOLS SUCH AS INTERVIEW AND REFERRING TO THE RELEVANT INSTITUTIONS. BUT FOR INVESTIGATION THE STRATIFICATION IN A SOCIETY THAT WE HAVE HISTORICAL OR GEOGRAPHICAL DISTANCE, ONE OF THE BEST TOOLS IS POETRY OF POEM OF SAME TIME AND PLACE, AS SAID THAT POET IS THE SON OF HIS TIMES AND CERTAINLY MEHDI AKHAVAN SALES IS THE MOST SOCIAL CHILD OF HIS TIMES. MAYBE WE DO NOT HAVE THE HISTORICAL PERIOD DISTANCE FROM HIS TIMES BUT HIS POEMS IS A DOCUMENT ON DEVELOPMENT OF A HISTORICAL PERIOD OF IRAN. THIS ARTICLE EXAMINE THE SOCIAL STRATIFICATION IN AKHAVAN SALES POETRY AND MENTION TO VERSES THAT LINKED TO STRATIFICATION.