Abstract: The aim of this study was to evaluate the impact of some demographic and socio-economic factors on the formation of dietary habits of the population of village Gilindi in Oleneksky region of the Republic of Sakha (Yakutia) to the development of the Tomtor Deposit of rare earth metals. Due to the massive extraction of minerals, the migration routes of deer and the condition of the forage base of deer have changed and that became one of the reasons for a substantial reduction in the deer population. These factors led to a significant change in the nature of the power of the Evenks. The results of the study indicate a significant reduction in the consumption of reindeer meat is a basic food product and substitute this deficit with carbohydrate food, in particular bread and pasta.