This article discusses two subjects: the first, common causes which effected on the literary renaissance, the second, the literary social common views which appearance in the modern poetry in Iran and in the Arad world.In the first subject, we find this common causes, political and social awakening, to disagree with their kings, learning the European literature, the establishment of the magazines and etc…. In the second subject, we have told about the new different subjects in the modern Arabic poetry and in the modern Persian poetry, for example: national poem, did active poem, and moral poem, social poem and public poem and etc….This research shows that there is the expanded common subject between Arabs and Persian nations in their literary renaissance.