This article gives a definition of Zhyrau, where is covered by their characteristics in society. Along with covers important political developments in the XV-XVI centuries on the background of formation of the Kazakh khanate. From these tremulous lines can be learned a lot of information about important events in the period of conducting of sovereign policy and the transformation of the khanate, which became more independent. In this article the works of zhyrau are considered as a source of information and interprets some of the problems listed in the rows.