Abstract
The research shows the status of AL-Elal in hadith sciences in general, It gives us rules for knowing the judgment of the singular narrator who is different in it in particular, The research was divided into three sections, In the first topic: I explained the uniqueness and difference in language and idiom. In the second topic, I studied the case of the singular narrator who is different in it. Then by studying the narration of the singular narrator who is different in it. Then, I explained the conditions of the critics who judged the singular narrator who is different in it. Finally, the study in terms of the critics' own conventions on the singular narrator who is different in it. As for the third topic, I conducted an applied study on a singular narrator who is different in it: Jabir bin Yazid al-Jaafi. And I concluded with a conclusion with the most important results