The obligation of traceability of food and feed in the European Union results from the Regulation (EC) No 178/2002 of the European Parliament and of the Council and the successive acts. Traceability obligation is to restore the road traveled by the product in the logistics chain, identification of raw materials used for its manufacture and its suppliers, in case of detection of any risks or irregularities occurring in it. The aim of the study was to assess the degree of comprehensibility essence of the concept of product tracking (traceability) and the assessment of the level of satisfaction with the conduct of the system implemented in 50 dairy plants selected for testing based on the Polish Classification of Activities (PKD) and the number of persons employed in the enterprise. It was found that entrepreneurs from the dairy industry, and especially the representatives of establishments employing more than 50 employees, are able to interpret the essence of the traceability system. In assessing the level of satisfaction with the input of experts in various stages of milk production system, its traceability, it was found that the highest average grade obtained pasteurization processes (6.27) and packaging (6.06), and the lowest - the stage of adoption of milk (4.26).