The research deal with the names that the prophet
(peace be upon him) had been changed in the Hadeeth six books ( Alsahehaen the fourth sunan) by go bake to the linguesttic dictionaries and the interpretation Hadeeth books to interpret the name's meaning befor and after the change. After the prea , bles the interiors came and we pointed to the Arab way in choosing the names then the prophet's (peace be upon him) way in naming. He give the right to the person in choosing his good name instate the bad one. We classified the name in four researchs according it's semanti's.