Concerned with the message, the achievement of the study ((Rooh Al- Shrooh of Al- Maqsood)), for writer By Muhmeed Ibin Mustafa Al-Tairhaoy Al- Ayshee died (( 1061 A. H.)), which is a system in Arabic Morphology The whole work was made in two parts: the first of which included several axes definition of Muhmeed Ibin Mustafa Al-Tairhaoy Al- Ayshee, and everything related to him knew him and his life and his status elders and his companions, his students and his works, his teachers, and the year of his death. The second axis dealt with the study of the book, so I did view the article, and Muhmeed Ibin Mustafa Al-Tairhaoy Al- Ayshee approach it and its sources. The third axis was in the demands of the investigation, described the certified copies of the investigation, and then showed systematic in the liberation of the book and to achieve, and offered then photographs of the assets of the three approved in the investigation, and then put verses of the system and the ((Rooh Al- Shrooh of Al- Maqsood)) individually, and learned from between the folds of explanation; service for the book.