It is a book in criticism, written by the Arab Islamic thinker Ahmed Amin, which is a precise reference, as it included multiple issues related to literary criticism, and he talked about his principles, the analytical foundations of critical theories, the purpose of its study, and its association with art and science. Take criticism theories of literature, such as emotion and meanings and their impact on the literary text, at the author when his creativity is matured in any form of literature, then their role in causing an effect among the recipient, as he dealt with poetry, prose and novel, then he was exposed to historical aspects of studying criticism Considering it as literature. The book was also exposed to the history of literary criticism and its renaissance among the Franks and the Arabs, then its history in the twentieth century, talking about the era of the Ramzi and the pre -World War, and beyond as well. As for its history among the Arabs, it included: pre -Islamic, the Umayyad era, the Abbasid era, and criticism in Iraq and the Levant. Ahmed Amin touched on his research on the history of criticism to the factors of the dissolution of the modern classic school, and the literary criticism between the classic school and the romantic school.