This research deals with the efforts of the famous Sheikh (Omar) Ibn al-QuraDaghi in the field of knowledge of drainage, through his famous entourage to explain the discharge of (Mullah Ali) on board (Al-Azi), where Sheikh IbnQarahDaghi valuable footnote addresses the problems of morphological content And he wanted to prove to many of the directives of morphology and the rules related to the exchange of questions and questions, and paid great attention to the term morphological and its issues, and how to reach a comprehensive definition of the comprehensive parts of the phenomenon and prevent the entry of other phenomena and examples in them, and also explained in the words, Meanings and statement of the mag Liras between substantive derivations converged ones, also cited problems related to the morphological approach taken by (Izzi) in Article morphological classification, and discussed many of its comparative weights explaining at the same time Petrjahat mark (Taftazani) in his commentary on the male Metn.