Koran is the manifestation of the divine might and is the greatest divine miracle for all men. This leading book of the highest rhetorical power has always inspired the poets. They have enjoyed its unique expressions in their works. Due to tendencies toward Sufism and the poets’ interest in virtue, this kind of inspiration appeared in the literature of enhetat (collapse) period. Safi-oddin-e - Helli, one of the greatest poets of this period, had a great knowledge on the Koranic literature and was a Shia who grew in one of the literary Iraq cities, Helleh. His poems illustrate the influence of this holy book. This article is an intertextual study, using a descriptive-analytic approach to investigate the effects of the Koranic verses on Helli's poetry. The influence of Koranic verses is clearer and bolder in the motifs like prophetic panegyrics. He quotes and personalizes Koranic verses extensively.