The invention relates to the food industry, in particular to producing alcohol-free beverage comprises a liquid base and nitrogen oxide which is used in a quantity equal to or less than 40 g rer 1 litre of liquid base. The gas is introduced at a temperature ranging from 1 to 25.degree. C. and a pressure of 1-21 atm according to the beverage production process. Said invention makes it possible to improve the final product guilty by preserving the beverage taste and flavour during a storage period.