Al -Mawshah is one of the important critical books written by Al -Marzabani, in addition to many of his books. In it, the scholars 'misfortunes were collected on the mistakes of poets, and he included many of the opinions that he conveyed from the scholars who preceded him or those who lived it. He was Secretary of Transport and Adoption, in addition to many of the issues he discussed in the book Al -Muwashah