Described is a method for making liquid and semi-liquid fermented milk products, comprising the following steps:- a) placing a milk-based mixture in a container (3)；- b) subjecting the basic mixture to a heating thermal treatment；- c) adding lactic bacterial strains to the basic mixture according to a concentration of at least 10^8 CFU / ml of basic mixture, and subjecting the basic mixture to which lactic bacterial strains were added to a thermal treatment for a predetermined time；- d) stirring the mixture to which lactic bacterial strains were added in order to break a coagulated mass which formed in the mixture to which lactic bacterial strains were added, to make the liquid and semi-liquid milk products.
