In article influence of personal meanings theory of thinking of O.K. Tikhomirov on studies of consciousness and selfunderstanding is discussed. Proves, that processes of become aware of himself are indissolubly connected with formation of operational senses. The sense is considered as cognitive a phenomenon caused by knowledge the person receives during thinking. At the same time the sense is also such generation of existential experience of the subject which is based on comprehension of limitation by it cognitive rational schemes of knowledge of the world. Affirms, that the most perspective direction of psychological research of a problem of selfunderstanding is the combination cognitive and existential ways of the analysis of generation of sense.