The article deals with the concept of HAPPINESS in Public Relation discourse (PR discourse). The concept of HAPPINESS refers to one of the most important components of the linguistic worldview of each nation. Analysis of lexical units that verbalize the concept of HAPPINESS through the prism of PR discourse allows us to identify the linguistic features that create images contributing to the promotion of various ideas of PR campaigns especially dealing with food promotion. The desire to be happy is inherent in every person as an integral part of his or her nature. The persons’ ideas concerning happiness are included in the life system of their values and express their attitude to the world. The problem of human happiness has long been the mo...