In article the philosophical sources which have influenced formation of a concept "Look" in philosophy of Sartre are revealed, and also own ideas of the French philosopher formulated by it in "The Transcendence of Ego" which taking into account a number of the provisions "Being and Nothingness" create conditions for understanding of this concept not only in a context of measurement of human existence are analysed, but also is wider when to a being of a look are involved and things. For the solution of an objective specifics of existential audit of the transcendental sphere, the basic importance of a perspective of a corporality reveal, and communication between concepts "Look" and "Another", as representation of Being as a whole comes to light.