AbstractThe article first analyzes the research in the field of sociolinguistics, focusing on the social nature of language, the relationship between language and society, theoretical issues of sociolinguistics, language ontology, functional classifications of language, linguistic devices. The conceptual apparatus of sociolinguistics and the most common terminological units used in scientific works on sociolinguistics are analyzed and described, the processes of formation, development and problems of the field of sociolinguistics are described. The article also focuses on the phenomenon of euphemism, its interpretation as an event that is integral to the emergence of language and thought, developed as a phenomenon that has gone through evolutionary stages, such as language itself. connection with speech activity in the process of communication, social, psychological, linguistic bases; the expression of units, the pronunciation of which in Uzbek is contrary to moral norms, which is considered unpleasant and shameful, their lexical-semantic at the stage of euphemism of certain discourse / speech communication, speech factors such as structural appearances are proven; Extensive research on the formation factor, etymological source, spiritual group, functional aspect, national-mental characteristics of language phenomena in world linguistics, euphemisms as an ecological phenomenon and a means of cultural communication in gender, social, pragmatic, linguacultural, lexicographic, as well as sociolinguistic an attempt has been made to prove the need for in-depth study through the analysis of scientific sources.