IRAN'S HISTORY HAS EXPERIENCED TOO MANY INVASIONS DURING DIFFERENT PERIODS WHICH ONE OF THE MOST DESTRUCTIVE ONES WAS THE MONGOL ATTACK TO IRAN. THOUGH, MUCH OF IRANIAN HUMAN, ECONOMIC AND CULTURAL RESOURCES DESTRUCTED RAPIDLY, IRANIAN CULTURE AND CIVILIZATION ROSE BENEATH THE ASH OF MONGOLS DAMAGES LIKE A PHOENIX AND BEGAN TO REHABILITATE AND RECONSTRUCT ITS GLORY AND DIGNITY. THIS RECONSTRUCTION AND REOCCURRENCE OF IRANIAN CREDIT AND CULTURE JUST COULD BE ACCOMPLISHED BY THE IRANIAN FAMILIES AND VIRTUOUS SCHOLARS’ ATTEMPTS. AMONG THESE FAMILIES, IT WAS THE RENOWNED JOVEINI FAMILY WHICH TRULY PLAYED A SIGNIFICANT ROLE IN THIS CRITICAL JUNCTURE OF HISTORY ALONG WITH EDUCATED SCHOLARS LIKE SADI SHIRAZI.THIS RESEARCH WHICH HAS ORGANIZED BY DESCRIPTIVE ANALYSIS METHOD, ATTEMPTS TO ANSWER THE CRITICAL QUESTION OF "WHAT IMPACTS THE JOVEINI FAMILY AND SADI SHIRAZI RELATION HAD ON ILKHANID ERA?". A BRIEF INVESTIGATION THROUGH THIS ERA RESOURCES SHOWS THAT, IN THE CRITICAL JUNCTURE OF ILKHANID DYNASTY ESTABLISHMENT, IRANIAN SCHOLARS SUCH AS JOVEINI FAMILY AND SADI SHIRAZI WENT INTO THE ACTION BY UNDERSTANDING THE SIGNIFICANCE OF CONDITIONS AND KEEPING SOLIDARITY WITH EACH OTHER TO MODIFY AND EDUCATE THE RULERS. EDUCATED SCHOLARS LIKE SADI SHIRAZI STRENGTHEN THE POSITION AND SERVICES OF JOVEINI FAMILY BY THEIR POEMS AND PRESENTING PRACTICAL SOLUTIONS LIKE SAHEBIE TREATISE. BESIDES, JOVEINI FAMILY REVIVED THE IRANIAN CULTURE AND CIVILIZATION AND CAUSED A DRAMATIC UPSWING IN PERSIAN LITERATURE DURING ILKHANID ERA BY PROVIDING CONSTRUCTIONAL SERVICES, PROVIDING SAFETY AND PEACE, HAVING INTERACTIONS WITH SCHOLARS LIKE SADI SHIRAZI AND MAKING BENEFITS FROM THEIR SOLUTIONS AND, COMMEMORATING THEM IN FRONT OF ILKHANS.