The search contains the identifying of Abu Al-alaa Al-Ma'arry's life, and talking about role of alliteration and counterpoint in achievement of the internal musical rhythm during his poetry. Abu Al-alaa did not adhere in the traditional musical standards not only what it includes of the strength in the unity of meter and rhyme, but he moves of its traditional course to court which specific details and parts dominate on it for planning to internal architectural engineering, he ladled in the usage of alliteration, which did not appeare in his poetry to achieve the musical rhythm in what independs on it of agreement between things. and also from counter point, he combines between good formula and the benefit of content. Counterpoint did not appeare just for appearance of the opposite, but every opposite had rhetorical art or adorable, or something of wisdom which made the reader feels the agreement and combination between counterpoint and the meaning which it achieves or the rhetorical formula which it contacts.