About the appearance on the market of unqualified milk products, within Practical Scientific Institute of Horticulture and Food Technology (Food Technology Directorate) were initiated research and development works to establish counterfeit milk products and detection methods of them. Physico-chemical quality indices of milk were determined with the use of modern instrumental methods: Milco-Scan device (9 indices), gas-liquid chromatography Chrom-5 (7 fatty acids) and analytical ones. In result of the investigation was established the existence of the Republic Moldova market – nonconforming drinking milk and counterfeit, both water dilution method and substitution of lactic fat with vegetable fat (falsification of content). The absence of respective information on the product label is assigned to the category of informational falsification.