Taboo concept founded as basiс notion in linguistic worldview originated from an ancient beliefs. Taboo is a forbidden word and action. The article contains views on taboo meaning based on principles, norms of beliefs, traditions, customs of Turkic people, determined by sociocultural, eсological environment. This study is devoted to prohibited lexics, its place in worldview of various cultural representatives, implementation of linguocognitive analysis.The value of the study identify national, cultural features of prohibitions in Turkic languages. Facing taboo specifics in real use and materials, based on conclusions related life, culture, civilization, describes theories of moral, religious norms supporting by examples. The main goal is focusing on taboo in cognition, to consider prohibition concepts of Turkic and Kazakh people. Determine taboo’s linguocognitive, linguocultural, educational value based on the continuity of cognition and traditions. During the study methods of selecting, collecting, classifying, analyzing materials were used. The theoretical part based on scientists works studying lexicology and ethnolinguistics; showed the specificity, originality of prohibitions by prism of Turkic world languages. The practical significance is the use of materials from Turkic languages allows to create taboo dictionary.Тhe result of the study presented groupings of taboo types in Kazakh and Turkic people which preserved to present days. Analyzed linguistic manifestation of taboos in the Turkic languages, identified characteristics and common features. Taboos and linguistic taboos in Turkic languages can serve for analysis of linguistic units, create dictionaries, as a source of linguocognitive works.