The reform of accounting and reporting in Russia began in the 1990s. The benchmark was taken on International Financial Reporting Standards, as many countries use these standards. IFRS have a number of advantages, such as simplicity, objectivity, international comparability. The author of the article gives the main problems, as a result of which, for almost thirty years, national standards have come very slightly closer to international ones. The author of the article gives the main problems, as a result of which, for almost thirty years, national standards have come very slightly closer to international ones. In the comparative analysis of accounting and the preparation of accounting and tax reporting according to Russian Accounting Standards (RAS) with International Financial Reporting Standards (IFRS), fundamental differences were revealed in the reflection of accounting objects in financial statements.