This is in our hands, an author, placed by Imam Sheikh Al -Islam (Fakhr al -Din al -Razi) in the science of prey. It is a science that inferred phenomena on the interior, and thus a person can know the morals and natures of those who deal with them through physical and behavioral features. We find in it the signs of the brain, tongue, face, neck, eyes, sounds and teeth. Likewise, the features and features of the face such as the nose, the front, the eyebrow, and the mouth, from the behavior of laughter and movements, and finally from the body or the body we find signs of the neck, abdomen, back, guest, presence, fertilization, and other multiple parts of the body that are eaten by Sheikhs in this author.