Abstract: The article observes questions of the organization of parliamentary oversight and improving the mechanism of parliamentary control in Kazakhstan. The features of the basic model of parliamentary control in the practice of state power of modern states are indicated. We analyze the constitutional procedures relating to the implementation of the control function of the Parliament. In the article, significant place is devoted to the analysis of control functions of the Parliament by the Government. The attention is payed to parliamentary investigation as the form of parliamentary oversight. Based on the study, the author concludes about the necessity of the development of legal provisions in the organization of parliamentary control, including parliamentary investigation. Keywords: Republic of Kazakhstan; parliament; government; parliamentary control, form of parliamentary control; inquiry; parliamentary hour; parliamentary inquiry.