The article is devoted to a close analysis of digitalization in the life of the state and its citizens in the field of taxation. The article shows that digitalization affects relations in all spheres of life, from the educational process to taxation. The author focuses on the fact that the state should first of all apply the principles of fairness and effective taxation in digitalization, so that the taxpayer can receive the necessary advice and convenience of digital services, services and

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... ent of taxes according to fair criteria, and the state can effectively monitor tax revenues. The novelty of the research lies in the fact that despite the theoretical research work on the subject in general, this problem is poorly studied and requires further research in the formation of the concept of the principle of efficiency and fairness in the field of tax digitalization, which shows the relevance of the work and the need for study. The article is devoted to a detailed analysis of tax efficiency statistics together with the implementation of the principle of fairness in the modern tax system through digitalization on the example of property taxation in the Rostov, Moscow and Samara regions in digital activities through the taxpayer's personal account. Considerable attention is paid to the formation of the concept of digitalization based on the principles of efficiency and fairness through analysis, statistical data, court decisions and relations between the taxpayer, tax authorities and the state due to the lack of sufficient research in the scientific community. The author substantiates the idea that the principle of fairness and efficiency of property taxation in the process of digitalization should take into account the features of modern social reality.