Oral literature as the art of words of individual character was created and distributed orally and it expressed personal world outlook of the concrete author, his ethic appraisal of the reality. There were favorable conditions in the majority of Turkic literatures for it's centuries-old flowering. The most extending representative of the author’s oral poetry in medieval Eurasia was Habray (Sypyra, Sypra, Sapyra, Sapra, Supra etc.) yiray. Kepresentetives of author’s oral poetry of some Turkic nations were called 'yiray'. Works of Habray yiray are belonged To XIV – XVI c. This occupied worthy place in the literature history of Bashkirs, Kazakhs, Karakalpaks and other. His five works are famous in Bashkir literature. In his works the author, underlining his respectable age, everyday experience and the right to speak in the name of people, brings to the audience his call – brave warriors should be faithful to the forefathers legacy, to become solid support for native Ural. In the article all of his works are analyzed and there is an appraisal of it's traditions in works of other yirays of XIV – XVI c.