The article examines the impact of tax revenues on the formation and implementation of the budget policy of the Kyrgyz Republic. Tax revenues are the main source of revenue for the state budget, providing financing for social, infrastructure and other priority programs. Special attention is paid to the role of tax revenues in maintaining fiscal sustainability and fulfilling social obligations, as well as flexibility and adaptability of fiscal policy in conditions of economic instability. The key problems of the tax system are analyzed, including the high level of the shadow economy, the low efficiency of tax administration and the growing debt burden. In conclusion, measures to increase tax revenues are proposed: expansion of the tax base, improvement of tax administration and modernization of the tax system. The conclusions of the article emphasize the need for tax reforms to ensure financial stability and sustainable socioeconomic development of the country