The author analyses specific character and structure of information needs which has not been sufficiently studied in Russian and foreign literature. He reveals an integrative character of this need and underlines its priority relative to the other motifs of human activity. The concept of the author can be applied to the scientific and philosophic researches of the information sphere of human activity. The information sphere is a system organizing factor of social life and its value constantly grows in conjunction with scientific and technical progress.
Key words: information sphere of human existence, information needs, demands and interests, activity oriented approach.