Annotation. According to many researchers, non-alcoholic fatty liver disease as an independent disease is underestimated by a large percentage of both patients and physicians. Asymptomatic course, lack of specific complaints leads to the fact that non-alcoholic fatty liver disease is detected by chance on the basis of the detected increase in transaminases or hepatomegaly, which is detected during examination for other pathologies. The high prevalence of the disease, as well as the increase in

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... ardiovascular risk and the risk of hepatocellular carcinoma in non-alcoholic fatty liver disease requires the search for simple and reliable methods of detecting this pathology. We searched for studies that study the diagnostic accuracy of various methods for diagnosing nonalcoholic fatty liver disease and differentiated approaches to their use in scientometric databases PubMED/MEDLINE, EMBASE and the Cochrane Library. The use of the gold standard of diagnosis, namely, liver biopsy is limited by its invasive nature and high cost. The new concept of metabolically associated liver disease and the criteria for its diagnosis allow clinicians to identify more patients at risk of adverse outcomes in clinical practice. The most common and minimally sufficient is the ultrasound examination of the liver with elastography, which allows to assess both the indicators of steatosis and the degree of fibrosis. The diagnostic scales FLI, NAFLD liver fat score, NAFLD liver fibrosis score, APRI, FIB4 and fibromax test remain relevant for the diagnosis of fatty liver disease. Anthropometric diagnostic tests for screening diagnosis of non-alcoholic fatty liver disease are still relevant. Research is currently being conducted to study the epidemiology and mechanisms of development, which will reveal epidemiological and pathogenetic differences between metabolic associated fatty liver disease and non-alcoholic fatty liver disease, which will serve as a step towards the introduction of new diagnostic, prognostic and therapeutic measures.